Table 2 Open in new tab Incidence of...

Proportion of Grade 1 or
higher (95% CI)

0.22
(0.11–0.33)

0.80
(0.69–0.91)

0.89
(0.80–0.97)

0.96
(0.91–1)

0.98
(0.94–1)

0.98
(0.95–1)

Proportion of Grade 3
(95% CI)

0.02
(−0.02 to 0.06)

0.07
(0–0.14)

0.16
(0.06–0.27)

0.31
(0.18–0.44)

Table 2

Incidence of acute toxicity in breast-conserving patients

Grade	Week
Grade	w1	w2	w3	w4	w5	w7
0	43	11	6	2	1	1
1	12	44	36	44	33	21
2	0	0	2	5	12	16
3	0	0	1	4	9	17
Proportion of Grade 1 or higher (95% CI)	0.22 (0.11–0.33)	0.80 (0.69–0.91)	0.89 (0.80–0.97)	0.96 (0.91–1)	0.98 (0.94–1)	0.98 (0.95–1)
Proportion of Grade 3 (95% CI)	0	0	0.02 (−0.02 to 0.06)	0.07 (0–0.14)	0.16 (0.06–0.27)	0.31 (0.18–0.44)

Grade	Week
Grade	w1	w2	w3	w4	w5	w7
0	43	11	6	2	1	1
1	12	44	36	44	33	21
2	0	0	2	5	12	16
3	0	0	1	4	9	17
Proportion of Grade 1 or higher (95% CI)	0.22 (0.11–0.33)	0.80 (0.69–0.91)	0.89 (0.80–0.97)	0.96 (0.91–1)	0.98 (0.94–1)	0.98 (0.95–1)
Proportion of Grade 3 (95% CI)	0	0	0.02 (−0.02 to 0.06)	0.07 (0–0.14)	0.16 (0.06–0.27)	0.31 (0.18–0.44)

Proportions of Grade 1 or higher show prevalence of varying degrees of ARD.

Proportions of Grade 3 (and higher, but no Grade 4 in this study) show more severe ARD occurring later in radiotherapy.