Dermatitis grade 2–3 | Total (n = 622) | NFRT (n = 317) | p value univariate NFRT | HFRT (n = 305) | p value univariate HFRT | p value multivariate on all patientsa | Odds ratio multivariate on all patientsa [CI 95%] |
---|---|---|---|---|---|---|---|
Body mass index | |||||||
< 25 kg/m2 | 25/280 (8.9) | 19/130 (14.6) | < 0.001 | 6/150 (4.0) | 0.17 | 0.007 | 2.30 [1.28–4.26] |
≥ 25 kg/m2 | 85/339 (25.1) | 73/185 (39.5) | 12/154 (7.8) | ||||
NA | 3 (0.5) | 1/2 | 0/1 | ||||
Bra cup size | |||||||
A–C | 47/351 (13.4) | 39/172 (22.7) | < 0.001 | 8/179 (4.5) | 0.17 | 0.03 | 1.88 [1.07–3.28] |
D–J | 45/154 (29.2) | 39/89 (43.8) | 6/65 (9.2) | ||||
NA | 117 (18.8) | 15/56 | 4/61 | ||||
Chemotherapy | |||||||
No | 35/295 (11.9) | 25/74 (33.8) | 0.34 | 10/221 (4.5) | 0.11 | 0.59 | 0.84 [0.45–1.57] |
Yes | 76/327 (23.2) | 68/243 (28.0) | 8/84 (9.5) | ||||
Type of surgery | |||||||
Lumpectomy | 62/412 (15.0) | 45/142 (31.7) | 0.02 | 17/270 (6.3) | 0.98 | 0.04 | 0.52 [0.27–0.97] |
Mastectomy | 28/177 (15.8) | 28/145 (19.3) | 0/32 (0.0) | ||||
Other | 33 (5.3) | 20/30 | 1/3 |