Seroma change during magnetic resonance imaging-guided partial breast irradiation and its clinical implications

Radiation Oncology

Table 3 Association between clinical factors and constant, k

Variable	n	k	^ap
Age
< 57 years	16	0.048 ± 0.022	0.55
≥ 57 years	17	0.044 ± 0.024
Body mass index
< 25 kg/m²	14	0.057 ± 0.023	0.02
≥ 25 kg/m²	19	0.038 ± 0.020
Location (upper vs. lower)
Upper	26	0.049 ± 0.022	0.11
Lower	7	0.034 ± 0.024
Location (outer vs. inner)
Outer	18	0.049 ± 0.023	0.43
Inner	15	0.042 ± 0.023
Surgery-10th fraction interval
< 43 days	16	0.053 ± 0.025	0.09
≥ 43 days	17	0.039 ± 0.019

ISSN: 1748-717X