Table 2. Open in new tab Characteristics...

Age group

12 n = 38

13 n = 21

14 n = 13

15 n = 26

16 n = 18

17 n = 44

18 n = 65

Height (meter)

1.57 (1.54; 1.61)

1.58 (1.53; 1.64)

1.62 (1.58; 1.69)

1.65 (1.60; 1.70)

1.65 (1.63; 1.70)

1.64 (1.59; 1.71)

1.66 (1.62; 1.70)

Height SDS

0.2 (−0.3; 0.7)

−0.4 (−1.1; 0.4)

−0.4 (−0.9; 0.7)

−0.3 (−1.1; 0.5)

−0.5 (−0.8; 0.2)

−0.8 (−1.5; 0.2)

−0.6 (−1.2; 0.0)

Weight (kilogram)

45.6 (41.3; 50.6)

48.4 (41.4; 53.0)

51.0 (47.0; 59.8)

61.1 (50.8; 67.0)

60.4 (53.0; 63.7)

56.5 (51.1; 66.3)

62.6 (57.0; 79.0)

Tanner breast stage

3 (3; 4)

4 (3; 4)

5 (5; 5)

BMI

18.3 (17.0; 19.9)

18.7 (16.7; 21.2)

19.1 (18.4; 20.6)

21.3 (19.9; 24.3)

21.9 (20.4; 23.8)

21.6 (19.4; 23.5)

22.8 (21.3; 26.2)

BMI Z-score

0.1 (−0.4; 0.7)

−0.0 (−0.7; 0.9)

−0.1 (−0.3; 0.4)

0.4 (−0.0; 1.4)

0.5 (−0.0; 1.1)

0.2 (−0.5; 0.8)

0.5 (−0.0; 1.6)

Height-adjusted lean mass

13.9 (13.3; 14.6)

14.7 (13.0; 15.6)

14.2 (13.9; 15.0)

15.3 (14.5; 6.5)

15.6 (15.4; 17.2)

15.6 (14.6; 16.9)

16.1 (15.0; 17.4)

Height-adj lean mass Z-score

0.5 (0.1; 0.9)

0.7 (−0.4; 1.2)

0.2 (0.0; 0.7)

0.7 (0.2; 1.4)

0.7 (0.6; 1.3)

0.5 (−0.0; 1.3)

0.7 (0.1; 1.4)

WB % fat mass

25.2 (20.8; 30.3)

23.4 (19.6; 27.8)

27.1 (21.7; 30.7)

29.6 (26.7; 34.3)

27.0 (24.0; 32.5)

28.1 (25.1; 33.4)

32.7 (28.2; 37.2)

WB % fat mass Z-score

−0.2 (−0.7; 0.4)

−0.4 (−0.9; 0.1)

0.0 (−0.7; 0.5)

0.3 (−0.1; 0.9)

−0.1 (−0.5; 0.6)

−0.2 (−0.5; 0.5)

0.2 (−0.3; 0.8)

LS BMD Z-score

−0.0 (−0.5; 0.8)

−0.5 (−0.9; 0.3)

0.3 (−1.3; 1.2)

0.0 (−0.5; 0.4)

−0.1 (−0.8; 0.6)

−0.2 (−0.9; 0.2)

TH BMD Z-score

0.2 (−0.5; 0.7)

−0.2 (−0.9; 0.3)

−0.3 (−1.1; 0.3)

−0.3 (−0.8; 0.5)

−0.0 (−0.7; 0.6)

−0.0 (−0.6; 0.7)

−0.0 (−0.7; 0.4)

FN BMD Z-score

0.2 (−0.5; 0.6)

−0.5 (−1.1; 0.3)

−0.6 (−0.8; 0.6)

−0.3 (−0.8; 0.5)

−0.0 (−0.7; 0.6)

0.2 (−0.7; 1.0)

0.1 (−0.3; 0.5)

TBLH BMD Z-score

−0.2 (−0.9; 0.5)

−1.0 (−1.2; −0.2)

−0.3 (−0.9; 0.1)

−0.5 (−1.0; 0.3)

−0.5 (−1.1; −0.1)

−0.6 (−1.2; 0.1)

−1.1 (−1.7; −0.4)

Age group

19 n = 65

20 n = 61

21 n = 48

22 n = 51

23 n = 48

24 n = 38

25 n = 20

Height (meter)

1.68 (1.63; 1.75)

1.68 (1.62; 1.75)

1.67 (1.63; 1.74)

1.68 (1.65; 1.73)

1.67 (1.61; 1.73)

1.67 (1.61; 1.70)

1.67 (1.62; 1.72)

Height SDS

−0.3 (−1.1; 0.7)

−0.4 (−1.3; 0.7)

−0.6 (−1.2; 0.5)

−0.4 (−0.9; 0.4)

−0.6 (−1.5; 0.3)

−0.7 (−1.5; −0.1)

−0.6 (−1.4; 0.2)

Weight (kilogram)

66.6 (60.0; 79.0)

65.3 (58.0; 73.5)

69.0 (63.7; 84.4)

69.0 (61.3; 80.0)

61.3 (56.0; 73.0)

69.9 (57.0; 77.4)

68.3 (57.5; 82.7)

Tanner breast stage

5 (5; 5)

BMI

22.9 (20.9; 27.4)

22.7 (20.7; 24.9)

24.3 (21.8; 31.4)

23.2 (21.3; 29.4)

21.8 (20.4; 26.2)

24.9 (21.1; 28.3)

23.8 (21.9; 29.1)

BMI Z-score

0.4 (−0.2; 1.8)

0.3 (−0.3; 1.0)

0.8 (0.0; 2.9)

0.4 (−0.1; 2.3)

0.0 (−0.4; 1.4)

1.0 (−0.2; 2.0)

0.6 (0.1; 2.2)

Height-adjusted lean mass

16.1 (14.8; 17.4)

15.4 (14.8; 16.8)

16.4 (15.2; 18.2)

16.3 (14.9; 17.9)

15.4(14.6; 17.4)

16.8 (15.2; 18.0)

15.7 (15.0; 17.1)

Height-adj lean mass Z-score

0.6 (−0.1; 1.2)

0.2 (−0.1; 0.9)

0.7 (0.1; 1.6)

0.5 (−0.1; 1.4)

0.2 (−0.2; 1.0)

0.6 (0.0; 1.4)

0.3 (−0.0; 1.0)

WB % fat mass

33.5 (28.1; 40.7)

33.3 (29.1; 38.1)

34.5(30.0; 39.4)

34.0 (28.3; 40.5)

31.7 (27.3; 36.9)

35.0 (30.5; 39.3)

37.7 (29.7; 43.9)

WB % fat mass Z-score

0.2 (−0.3; 1.0)

0.2 (−0.2; 0.7)

0.3 (−0.2; 0.8)

0.2 (−0.5; 0.9)

−0.1 (−0.6; 0.5)

0.3 (−0.2; 0.7)

0.5 (−0.3; 1.2)

LS BMD Z-score

−0.2 (−0.8; 0.3)

−0.4 (−1.3; 0.2)

−0.2 (−0.8; 0.6)

−0.2 (−1.0; 0.4)

0.1 (−0.7; 0.6)

0.0 (−0.7; 0.6)

−0.1 (−0.2; 0.4)

TH BMD Z-score

−0.0 (−0.5; 0.7)

−0.1 (−0.6; 0.6)

−0.1 (−0.5; 0.9)

−0.1 (−0.5; 0.6)

0.1 (−0.6; 0.5)

0.1 (−0.3; 0.4)

−0.2 (−0.7; 0.4)

FN BMD Z-score

0.1 (−0.4; 0.7)

−0.1 (−0.8; 0.4)

−0.1 (−0.7; 0.9)

−0.3 (−0.7; 0.8)

−0.3 (−0.9; 0.4)

−0.0 (−0.5; 0.5)

−0.5 (−1.1; 0.0)

TBLH BMD Z-score

−0.8 (−1.3; −0.5)

−1.1 (−1.8; −0.5)

−0.8 (−1.3; −0.3)

−0.9 (−1.4; −0.4)

−0.8 (−1.4; −0.3)

−0.8 (−1.2; −0.0)

−1.1 (−1.6; −0.6)

Table 2.

Open in new tab

Characteristics of individuals AFAB.

Age group	12 n = 38	13 n = 21	14 n = 13	15 n = 26	16 n = 18	17 n = 44	18 n = 65
Height (meter)	1.57 (1.54; 1.61)	1.58 (1.53; 1.64)	1.62 (1.58; 1.69)	1.65 (1.60; 1.70)	1.65 (1.63; 1.70)	1.64 (1.59; 1.71)	1.66 (1.62; 1.70)
Height SDS	0.2 (−0.3; 0.7)	−0.4 (−1.1; 0.4)	−0.4 (−0.9; 0.7)	−0.3 (−1.1; 0.5)	−0.5 (−0.8; 0.2)	−0.8 (−1.5; 0.2)	−0.6 (−1.2; 0.0)
Weight (kilogram)	45.6 (41.3; 50.6)	48.4 (41.4; 53.0)	51.0 (47.0; 59.8)	61.1 (50.8; 67.0)	60.4 (53.0; 63.7)	56.5 (51.1; 66.3)	62.6 (57.0; 79.0)
Tanner breast stage	3 (3; 4)	4 (3; 4)	5 (5; 5)	5 (5; 5)	5 (5; 5)	5 (5; 5)	5 (5; 5)
BMI	18.3 (17.0; 19.9)	18.7 (16.7; 21.2)	19.1 (18.4; 20.6)	21.3 (19.9; 24.3)	21.9 (20.4; 23.8)	21.6 (19.4; 23.5)	22.8 (21.3; 26.2)
BMI Z-score	0.1 (−0.4; 0.7)	−0.0 (−0.7; 0.9)	−0.1 (−0.3; 0.4)	0.4 (−0.0; 1.4)	0.5 (−0.0; 1.1)	0.2 (−0.5; 0.8)	0.5 (−0.0; 1.6)
Height-adjusted lean mass	13.9 (13.3; 14.6)	14.7 (13.0; 15.6)	14.2 (13.9; 15.0)	15.3 (14.5; 6.5)	15.6 (15.4; 17.2)	15.6 (14.6; 16.9)	16.1 (15.0; 17.4)
Height-adj lean mass Z-score	0.5 (0.1; 0.9)	0.7 (−0.4; 1.2)	0.2 (0.0; 0.7)	0.7 (0.2; 1.4)	0.7 (0.6; 1.3)	0.5 (−0.0; 1.3)	0.7 (0.1; 1.4)
WB % fat mass	25.2 (20.8; 30.3)	23.4 (19.6; 27.8)	27.1 (21.7; 30.7)	29.6 (26.7; 34.3)	27.0 (24.0; 32.5)	28.1 (25.1; 33.4)	32.7 (28.2; 37.2)
WB % fat mass Z-score	−0.2 (−0.7; 0.4)	−0.4 (−0.9; 0.1)	0.0 (−0.7; 0.5)	0.3 (−0.1; 0.9)	−0.1 (−0.5; 0.6)	−0.2 (−0.5; 0.5)	0.2 (−0.3; 0.8)
LS BMD Z-score	−0.0 (−0.5; 0.8)	−0.5 (−0.9; 0.3)	0.3 (−1.3; 1.2)	0.0 (−0.5; 0.4)	0.0 (−0.5; 0.4)	−0.1 (−0.8; 0.6)	−0.2 (−0.9; 0.2)
TH BMD Z-score	0.2 (−0.5; 0.7)	−0.2 (−0.9; 0.3)	−0.3 (−1.1; 0.3)	−0.3 (−0.8; 0.5)	−0.0 (−0.7; 0.6)	−0.0 (−0.6; 0.7)	−0.0 (−0.7; 0.4)
FN BMD Z-score	0.2 (−0.5; 0.6)	−0.5 (−1.1; 0.3)	−0.6 (−0.8; 0.6)	−0.3 (−0.8; 0.5)	−0.0 (−0.7; 0.6)	0.2 (−0.7; 1.0)	0.1 (−0.3; 0.5)
TBLH BMD Z-score	−0.2 (−0.9; 0.5)	−1.0 (−1.2; −0.2)	−0.3 (−0.9; 0.1)	−0.5 (−1.0; 0.3)	−0.5 (−1.1; −0.1)	−0.6 (−1.2; 0.1)	−1.1 (−1.7; −0.4)

Age group	12 n = 38	13 n = 21	14 n = 13	15 n = 26	16 n = 18	17 n = 44	18 n = 65
Height (meter)	1.57 (1.54; 1.61)	1.58 (1.53; 1.64)	1.62 (1.58; 1.69)	1.65 (1.60; 1.70)	1.65 (1.63; 1.70)	1.64 (1.59; 1.71)	1.66 (1.62; 1.70)
Height SDS	0.2 (−0.3; 0.7)	−0.4 (−1.1; 0.4)	−0.4 (−0.9; 0.7)	−0.3 (−1.1; 0.5)	−0.5 (−0.8; 0.2)	−0.8 (−1.5; 0.2)	−0.6 (−1.2; 0.0)
Weight (kilogram)	45.6 (41.3; 50.6)	48.4 (41.4; 53.0)	51.0 (47.0; 59.8)	61.1 (50.8; 67.0)	60.4 (53.0; 63.7)	56.5 (51.1; 66.3)	62.6 (57.0; 79.0)
Tanner breast stage	3 (3; 4)	4 (3; 4)	5 (5; 5)	5 (5; 5)	5 (5; 5)	5 (5; 5)	5 (5; 5)
BMI	18.3 (17.0; 19.9)	18.7 (16.7; 21.2)	19.1 (18.4; 20.6)	21.3 (19.9; 24.3)	21.9 (20.4; 23.8)	21.6 (19.4; 23.5)	22.8 (21.3; 26.2)
BMI Z-score	0.1 (−0.4; 0.7)	−0.0 (−0.7; 0.9)	−0.1 (−0.3; 0.4)	0.4 (−0.0; 1.4)	0.5 (−0.0; 1.1)	0.2 (−0.5; 0.8)	0.5 (−0.0; 1.6)
Height-adjusted lean mass	13.9 (13.3; 14.6)	14.7 (13.0; 15.6)	14.2 (13.9; 15.0)	15.3 (14.5; 6.5)	15.6 (15.4; 17.2)	15.6 (14.6; 16.9)	16.1 (15.0; 17.4)
Height-adj lean mass Z-score	0.5 (0.1; 0.9)	0.7 (−0.4; 1.2)	0.2 (0.0; 0.7)	0.7 (0.2; 1.4)	0.7 (0.6; 1.3)	0.5 (−0.0; 1.3)	0.7 (0.1; 1.4)
WB % fat mass	25.2 (20.8; 30.3)	23.4 (19.6; 27.8)	27.1 (21.7; 30.7)	29.6 (26.7; 34.3)	27.0 (24.0; 32.5)	28.1 (25.1; 33.4)	32.7 (28.2; 37.2)
WB % fat mass Z-score	−0.2 (−0.7; 0.4)	−0.4 (−0.9; 0.1)	0.0 (−0.7; 0.5)	0.3 (−0.1; 0.9)	−0.1 (−0.5; 0.6)	−0.2 (−0.5; 0.5)	0.2 (−0.3; 0.8)
LS BMD Z-score	−0.0 (−0.5; 0.8)	−0.5 (−0.9; 0.3)	0.3 (−1.3; 1.2)	0.0 (−0.5; 0.4)	0.0 (−0.5; 0.4)	−0.1 (−0.8; 0.6)	−0.2 (−0.9; 0.2)
TH BMD Z-score	0.2 (−0.5; 0.7)	−0.2 (−0.9; 0.3)	−0.3 (−1.1; 0.3)	−0.3 (−0.8; 0.5)	−0.0 (−0.7; 0.6)	−0.0 (−0.6; 0.7)	−0.0 (−0.7; 0.4)
FN BMD Z-score	0.2 (−0.5; 0.6)	−0.5 (−1.1; 0.3)	−0.6 (−0.8; 0.6)	−0.3 (−0.8; 0.5)	−0.0 (−0.7; 0.6)	0.2 (−0.7; 1.0)	0.1 (−0.3; 0.5)
TBLH BMD Z-score	−0.2 (−0.9; 0.5)	−1.0 (−1.2; −0.2)	−0.3 (−0.9; 0.1)	−0.5 (−1.0; 0.3)	−0.5 (−1.1; −0.1)	−0.6 (−1.2; 0.1)	−1.1 (−1.7; −0.4)

Age group	19 n = 65	20 n = 61	21 n = 48	22 n = 51	23 n = 48	24 n = 38	25 n = 20
Height (meter)	1.68 (1.63; 1.75)	1.68 (1.62; 1.75)	1.67 (1.63; 1.74)	1.68 (1.65; 1.73)	1.67 (1.61; 1.73)	1.67 (1.61; 1.70)	1.67 (1.62; 1.72)
Height SDS	−0.3 (−1.1; 0.7)	−0.4 (−1.3; 0.7)	−0.6 (−1.2; 0.5)	−0.4 (−0.9; 0.4)	−0.6 (−1.5; 0.3)	−0.7 (−1.5; −0.1)	−0.6 (−1.4; 0.2)
Weight (kilogram)	66.6 (60.0; 79.0)	65.3 (58.0; 73.5)	69.0 (63.7; 84.4)	69.0 (61.3; 80.0)	61.3 (56.0; 73.0)	69.9 (57.0; 77.4)	68.3 (57.5; 82.7)
Tanner breast stage	5 (5; 5)	5 (5; 5)	5 (5; 5)	5 (5; 5)	5 (5; 5)	5 (5; 5)	5 (5; 5)
BMI	22.9 (20.9; 27.4)	22.7 (20.7; 24.9)	24.3 (21.8; 31.4)	23.2 (21.3; 29.4)	21.8 (20.4; 26.2)	24.9 (21.1; 28.3)	23.8 (21.9; 29.1)
BMI Z-score	0.4 (−0.2; 1.8)	0.3 (−0.3; 1.0)	0.8 (0.0; 2.9)	0.4 (−0.1; 2.3)	0.0 (−0.4; 1.4)	1.0 (−0.2; 2.0)	0.6 (0.1; 2.2)
Height-adjusted lean mass	16.1 (14.8; 17.4)	15.4 (14.8; 16.8)	16.4 (15.2; 18.2)	16.3 (14.9; 17.9)	15.4(14.6; 17.4)	16.8 (15.2; 18.0)	15.7 (15.0; 17.1)
Height-adj lean mass Z-score	0.6 (−0.1; 1.2)	0.2 (−0.1; 0.9)	0.7 (0.1; 1.6)	0.5 (−0.1; 1.4)	0.2 (−0.2; 1.0)	0.6 (0.0; 1.4)	0.3 (−0.0; 1.0)
WB % fat mass	33.5 (28.1; 40.7)	33.3 (29.1; 38.1)	34.5(30.0; 39.4)	34.0 (28.3; 40.5)	31.7 (27.3; 36.9)	35.0 (30.5; 39.3)	37.7 (29.7; 43.9)
WB % fat mass Z-score	0.2 (−0.3; 1.0)	0.2 (−0.2; 0.7)	0.3 (−0.2; 0.8)	0.2 (−0.5; 0.9)	−0.1 (−0.6; 0.5)	0.3 (−0.2; 0.7)	0.5 (−0.3; 1.2)
LS BMD Z-score	−0.2 (−0.8; 0.3)	−0.4 (−1.3; 0.2)	−0.2 (−0.8; 0.6)	−0.2 (−1.0; 0.4)	0.1 (−0.7; 0.6)	0.0 (−0.7; 0.6)	−0.1 (−0.2; 0.4)
TH BMD Z-score	−0.0 (−0.5; 0.7)	−0.1 (−0.6; 0.6)	−0.1 (−0.5; 0.9)	−0.1 (−0.5; 0.6)	0.1 (−0.6; 0.5)	0.1 (−0.3; 0.4)	−0.2 (−0.7; 0.4)
FN BMD Z-score	0.1 (−0.4; 0.7)	−0.1 (−0.8; 0.4)	−0.1 (−0.7; 0.9)	−0.3 (−0.7; 0.8)	−0.3 (−0.9; 0.4)	−0.0 (−0.5; 0.5)	−0.5 (−1.1; 0.0)
TBLH BMD Z-score	−0.8 (−1.3; −0.5)	−1.1 (−1.8; −0.5)	−0.8 (−1.3; −0.3)	−0.9 (−1.4; −0.4)	−0.8 (−1.4; −0.3)	−0.8 (−1.2; −0.0)	−1.1 (−1.6; −0.6)

Age group	19 n = 65	20 n = 61	21 n = 48	22 n = 51	23 n = 48	24 n = 38	25 n = 20
Height (meter)	1.68 (1.63; 1.75)	1.68 (1.62; 1.75)	1.67 (1.63; 1.74)	1.68 (1.65; 1.73)	1.67 (1.61; 1.73)	1.67 (1.61; 1.70)	1.67 (1.62; 1.72)
Height SDS	−0.3 (−1.1; 0.7)	−0.4 (−1.3; 0.7)	−0.6 (−1.2; 0.5)	−0.4 (−0.9; 0.4)	−0.6 (−1.5; 0.3)	−0.7 (−1.5; −0.1)	−0.6 (−1.4; 0.2)
Weight (kilogram)	66.6 (60.0; 79.0)	65.3 (58.0; 73.5)	69.0 (63.7; 84.4)	69.0 (61.3; 80.0)	61.3 (56.0; 73.0)	69.9 (57.0; 77.4)	68.3 (57.5; 82.7)
Tanner breast stage	5 (5; 5)	5 (5; 5)	5 (5; 5)	5 (5; 5)	5 (5; 5)	5 (5; 5)	5 (5; 5)
BMI	22.9 (20.9; 27.4)	22.7 (20.7; 24.9)	24.3 (21.8; 31.4)	23.2 (21.3; 29.4)	21.8 (20.4; 26.2)	24.9 (21.1; 28.3)	23.8 (21.9; 29.1)
BMI Z-score	0.4 (−0.2; 1.8)	0.3 (−0.3; 1.0)	0.8 (0.0; 2.9)	0.4 (−0.1; 2.3)	0.0 (−0.4; 1.4)	1.0 (−0.2; 2.0)	0.6 (0.1; 2.2)
Height-adjusted lean mass	16.1 (14.8; 17.4)	15.4 (14.8; 16.8)	16.4 (15.2; 18.2)	16.3 (14.9; 17.9)	15.4(14.6; 17.4)	16.8 (15.2; 18.0)	15.7 (15.0; 17.1)
Height-adj lean mass Z-score	0.6 (−0.1; 1.2)	0.2 (−0.1; 0.9)	0.7 (0.1; 1.6)	0.5 (−0.1; 1.4)	0.2 (−0.2; 1.0)	0.6 (0.0; 1.4)	0.3 (−0.0; 1.0)
WB % fat mass	33.5 (28.1; 40.7)	33.3 (29.1; 38.1)	34.5(30.0; 39.4)	34.0 (28.3; 40.5)	31.7 (27.3; 36.9)	35.0 (30.5; 39.3)	37.7 (29.7; 43.9)
WB % fat mass Z-score	0.2 (−0.3; 1.0)	0.2 (−0.2; 0.7)	0.3 (−0.2; 0.8)	0.2 (−0.5; 0.9)	−0.1 (−0.6; 0.5)	0.3 (−0.2; 0.7)	0.5 (−0.3; 1.2)
LS BMD Z-score	−0.2 (−0.8; 0.3)	−0.4 (−1.3; 0.2)	−0.2 (−0.8; 0.6)	−0.2 (−1.0; 0.4)	0.1 (−0.7; 0.6)	0.0 (−0.7; 0.6)	−0.1 (−0.2; 0.4)
TH BMD Z-score	−0.0 (−0.5; 0.7)	−0.1 (−0.6; 0.6)	−0.1 (−0.5; 0.9)	−0.1 (−0.5; 0.6)	0.1 (−0.6; 0.5)	0.1 (−0.3; 0.4)	−0.2 (−0.7; 0.4)
FN BMD Z-score	0.1 (−0.4; 0.7)	−0.1 (−0.8; 0.4)	−0.1 (−0.7; 0.9)	−0.3 (−0.7; 0.8)	−0.3 (−0.9; 0.4)	−0.0 (−0.5; 0.5)	−0.5 (−1.1; 0.0)
TBLH BMD Z-score	−0.8 (−1.3; −0.5)	−1.1 (−1.8; −0.5)	−0.8 (−1.3; −0.3)	−0.9 (−1.4; −0.4)	−0.8 (−1.4; −0.3)	−0.8 (−1.2; −0.0)	−1.1 (−1.6; −0.6)

All data shown as median (interquartile range). AFAB: assigned female at birth, SDS: standard deviation score, WB: whole body, LS: lumbar spine, BMD: bone mineral density, TH: total hip, FN: femoral neck, TBLH: total body less head.

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