QOL domain		Unmatched cohort (N= 320)
	WBRT, n= 240	APBI, n= 80	p-value
QLQ-C30 functional scale
Global health score	81.2 ±14.7	76.9 ±17.6	0.056
Physical function	91.5 ±12.0	85.9 ±17.7	0.009
Role function	96.1 ±12.1	92.5 ±14.7	0.050
Emotional function	88.9 ±17.5	83.3 ±21.8	0.039
Cognitive function	92.5 ±13.5	88.5 ±15.1	0.036
Social function	94.3 ±16.1	95.6 ±10.5	0.427
QLQ-C30 symptom scale
Fatigue	18.1 ±17.3	23.2 ±19.8	0.042
Nausea/vomiting	3.6 ±9.4	3.9 ±9.2	0.773
Pain	8.3 ±15.9	15.6 ±21.3	0.005
Dyspnea	5.7 ±13.6	8.3 ±16.3	0.196
Sleeplessness	8.0 ±19.5	13.3 ±22.9	0.067
Appetite loss	4.7 ±13.8	10.8 ±21.7	0.020
Financial difficulties	13.9 ±25.5	12.1 ±20.0	0.650
QLQ-BR23 functional scale
Body image	95.6 ±11.2	94.6 ±13.1	0.570
Sexual functioning	10.0 ±18.9	4.4 ±11.5	0.002
Sexual enjoyment	44.4 ±26.2	30.6 ±9.6	0.003
Future perspective	81.8 ±26.0	82.3 ±24.9	0.885
QLQ-BR23 symptom scale
Systemic therapy side effects	9.1 ±11.1	12.1 ±14.2	0.093
Breast symptoms	5.6 ±10.3	7.8 ±11.6	0.124
Arm symptoms	11.3 ±11.9	15.7 ±16.5	0.031
Upset by hair loss	35.6 ±50.6	51.5 ±3.7	0.108