Table 2 Open in new tab Angiographic...

Variable	All (n = 67)	CFR ≥2.0 (n = 30, 44.8%)	CFR <2.0 (n = 37, 55.2%)	P-value
Angiographic characteristics
No of vessels with CAD
ȃ0	1 (1.5)	1 (3.3)	0 (0)	0.082
ȃ1	25 (37.3)	12 (40.0)	13 (35.1)
ȃ2	25 (37.3)	7 (23.3)	18 (48.7)
ȃ3	16 (23.9)	10 (33.3)	6 (16.2)
Target vessel
ȃLAD	40 (59.7)	21 (70.0)	19 (51.4)	0.302
ȃLCX	12 (17.9)	4 (13.3)	8 (21.6)
ȃRCA	15 (22.4)	5 (16.7)	10 (27.0)
Diameter stenosis (%)	55.8 (±12.6)	55.4 (±13.9)	56.2 (±11.7)	0.816
Lesion length, mm	13.2 (±6.0)	13.8 (±5.4)	12.8 (±6.5)	0.581
PCI performed	20 (29.9)	8 (26.7)	12 (32.4)	0.608
Intracoronary physiological measurements
CFR	1.94 (±0.80)	2.57 (±0.78)	1.43 (±0.32)	<0.001
Pd/Pa	0.91 (±0.14)	0.91 (±0.19)	0.92 (±0.09)	0.876
FFR	0.80 (±0.12)	0.82 (±0.09)	0.79 (±0.14)	0.259
ȃ>0.80	38 (56.7)	20 (66.7)	18 (48.7)	0.139
ȃ≤0.80	29 (43.3)	10 (33.3)	19 (51.4)
HMR	2.7 (±1.3)	2.3 (±0.99)	3.0 (±1.4)	0.012
ȃ<2.5	32 (47.8)	18 (60.0)	14 (37.8)	0.071
ȃ≥2.5	35 (52.2)	12 (40.0)	23 (62.2)
Basal APV	15.7 (±6.9)	13.3 (±5.3)	17.4 (±7.5)	0.021
Hyperaemic APV	27.9 (±11.4)	32.6 (±11.2)	24.6 (±10.5)	0.006

Variable

All (n = 67)

CFR ≥2.0 (n = 30, 44.8%)

CFR <2.0 (n = 37, 55.2%)

P-value

Angiographic characteristics

No of vessels with CAD

ȃ0

1 (1.5)

1 (3.3)

0 (0)

0.082

ȃ1

25 (37.3)

12 (40.0)

13 (35.1)

ȃ2

25 (37.3)

7 (23.3)

18 (48.7)

ȃ3

16 (23.9)

10 (33.3)

6 (16.2)

Target vessel

ȃLAD

40 (59.7)

21 (70.0)

19 (51.4)

0.302

ȃLCX

12 (17.9)

4 (13.3)

8 (21.6)

ȃRCA

15 (22.4)

5 (16.7)

10 (27.0)

Diameter stenosis (%)

55.8 (±12.6)

55.4 (±13.9)

56.2 (±11.7)

0.816

Lesion length, mm

13.2 (±6.0)

13.8 (±5.4)

12.8 (±6.5)

0.581

PCI performed

20 (29.9)

8 (26.7)

12 (32.4)

0.608

Intracoronary physiological measurements

CFR

1.94 (±0.80)

2.57 (±0.78)

1.43 (±0.32)

<0.001

Pd/Pa

0.91 (±0.14)

0.91 (±0.19)

0.92 (±0.09)

0.876

FFR

0.80 (±0.12)

0.82 (±0.09)

0.79 (±0.14)

0.259

ȃ>0.80

38 (56.7)

20 (66.7)

18 (48.7)

0.139

ȃ≤0.80

29 (43.3)

10 (33.3)

19 (51.4)

HMR

2.7 (±1.3)

2.3 (±0.99)

3.0 (±1.4)

0.012

ȃ<2.5

32 (47.8)

18 (60.0)

14 (37.8)

0.071

ȃ≥2.5

35 (52.2)

12 (40.0)

23 (62.2)

Basal APV

15.7 (±6.9)

13.3 (±5.3)

17.4 (±7.5)

0.021

Hyperaemic APV

27.9 (±11.4)

32.6 (±11.2)

24.6 (±10.5)

0.006

Variable	All (n = 67)	CFR ≥2.0 (n = 30, 44.8%)	CFR <2.0 (n = 37, 55.2%)	P-value
Angiographic characteristics
No of vessels with CAD
ȃ0	1 (1.5)	1 (3.3)	0 (0)	0.082
ȃ1	25 (37.3)	12 (40.0)	13 (35.1)
ȃ2	25 (37.3)	7 (23.3)	18 (48.7)
ȃ3	16 (23.9)	10 (33.3)	6 (16.2)
Target vessel
ȃLAD	40 (59.7)	21 (70.0)	19 (51.4)	0.302
ȃLCX	12 (17.9)	4 (13.3)	8 (21.6)
ȃRCA	15 (22.4)	5 (16.7)	10 (27.0)
Diameter stenosis (%)	55.8 (±12.6)	55.4 (±13.9)	56.2 (±11.7)	0.816
Lesion length, mm	13.2 (±6.0)	13.8 (±5.4)	12.8 (±6.5)	0.581
PCI performed	20 (29.9)	8 (26.7)	12 (32.4)	0.608
Intracoronary physiological measurements
CFR	1.94 (±0.80)	2.57 (±0.78)	1.43 (±0.32)	<0.001
Pd/Pa	0.91 (±0.14)	0.91 (±0.19)	0.92 (±0.09)	0.876
FFR	0.80 (±0.12)	0.82 (±0.09)	0.79 (±0.14)	0.259
ȃ>0.80	38 (56.7)	20 (66.7)	18 (48.7)	0.139
ȃ≤0.80	29 (43.3)	10 (33.3)	19 (51.4)
HMR	2.7 (±1.3)	2.3 (±0.99)	3.0 (±1.4)	0.012
ȃ<2.5	32 (47.8)	18 (60.0)	14 (37.8)	0.071
ȃ≥2.5	35 (52.2)	12 (40.0)	23 (62.2)
Basal APV	15.7 (±6.9)	13.3 (±5.3)	17.4 (±7.5)	0.021
Hyperaemic APV	27.9 (±11.4)	32.6 (±11.2)	24.6 (±10.5)	0.006

Table 2

Open in new tab

Angiographic characteristics and intracoronary physiological assessment

Variable	All (n = 67)	CFR ≥2.0 (n = 30, 44.8%)	CFR <2.0 (n = 37, 55.2%)	P-value
Angiographic characteristics
No of vessels with CAD
ȃ0	1 (1.5)	1 (3.3)	0 (0)	0.082
ȃ1	25 (37.3)	12 (40.0)	13 (35.1)
ȃ2	25 (37.3)	7 (23.3)	18 (48.7)
ȃ3	16 (23.9)	10 (33.3)	6 (16.2)
Target vessel
ȃLAD	40 (59.7)	21 (70.0)	19 (51.4)	0.302
ȃLCX	12 (17.9)	4 (13.3)	8 (21.6)
ȃRCA	15 (22.4)	5 (16.7)	10 (27.0)
Diameter stenosis (%)	55.8 (±12.6)	55.4 (±13.9)	56.2 (±11.7)	0.816
Lesion length, mm	13.2 (±6.0)	13.8 (±5.4)	12.8 (±6.5)	0.581
PCI performed	20 (29.9)	8 (26.7)	12 (32.4)	0.608
Intracoronary physiological measurements
CFR	1.94 (±0.80)	2.57 (±0.78)	1.43 (±0.32)	<0.001
Pd/Pa	0.91 (±0.14)	0.91 (±0.19)	0.92 (±0.09)	0.876
FFR	0.80 (±0.12)	0.82 (±0.09)	0.79 (±0.14)	0.259
ȃ>0.80	38 (56.7)	20 (66.7)	18 (48.7)	0.139
ȃ≤0.80	29 (43.3)	10 (33.3)	19 (51.4)	0.139
HMR	2.7 (±1.3)	2.3 (±0.99)	3.0 (±1.4)	0.012
ȃ<2.5	32 (47.8)	18 (60.0)	14 (37.8)	0.071
ȃ≥2.5	35 (52.2)	12 (40.0)	23 (62.2)	0.071
Basal APV	15.7 (±6.9)	13.3 (±5.3)	17.4 (±7.5)	0.021
Hyperaemic APV	27.9 (±11.4)	32.6 (±11.2)	24.6 (±10.5)	0.006

Variable	All (n = 67)	CFR ≥2.0 (n = 30, 44.8%)	CFR <2.0 (n = 37, 55.2%)	P-value
Angiographic characteristics
No of vessels with CAD
ȃ0	1 (1.5)	1 (3.3)	0 (0)	0.082
ȃ1	25 (37.3)	12 (40.0)	13 (35.1)
ȃ2	25 (37.3)	7 (23.3)	18 (48.7)
ȃ3	16 (23.9)	10 (33.3)	6 (16.2)
Target vessel
ȃLAD	40 (59.7)	21 (70.0)	19 (51.4)	0.302
ȃLCX	12 (17.9)	4 (13.3)	8 (21.6)
ȃRCA	15 (22.4)	5 (16.7)	10 (27.0)
Diameter stenosis (%)	55.8 (±12.6)	55.4 (±13.9)	56.2 (±11.7)	0.816
Lesion length, mm	13.2 (±6.0)	13.8 (±5.4)	12.8 (±6.5)	0.581
PCI performed	20 (29.9)	8 (26.7)	12 (32.4)	0.608
Intracoronary physiological measurements
CFR	1.94 (±0.80)	2.57 (±0.78)	1.43 (±0.32)	<0.001
Pd/Pa	0.91 (±0.14)	0.91 (±0.19)	0.92 (±0.09)	0.876
FFR	0.80 (±0.12)	0.82 (±0.09)	0.79 (±0.14)	0.259
ȃ>0.80	38 (56.7)	20 (66.7)	18 (48.7)	0.139
ȃ≤0.80	29 (43.3)	10 (33.3)	19 (51.4)	0.139
HMR	2.7 (±1.3)	2.3 (±0.99)	3.0 (±1.4)	0.012
ȃ<2.5	32 (47.8)	18 (60.0)	14 (37.8)	0.071
ȃ≥2.5	35 (52.2)	12 (40.0)	23 (62.2)	0.071
Basal APV	15.7 (±6.9)	13.3 (±5.3)	17.4 (±7.5)	0.021
Hyperaemic APV	27.9 (±11.4)	32.6 (±11.2)	24.6 (±10.5)	0.006

Results are shown as mean (±standard deviation) or n (%). CAD, coronary artery disease; LAD, left anterior descending coronary artery; LCX, left circumflex artery; RCA, right coronary artery; CFR, coronary flow reserve; FFR, fractional flow reserve; PCI, percutaneous coronary intervention; HMR, hyperaemic microvascular resistance; APV, average peak velocity.

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