Table 1

Treatment and pathological variables

	CRFS cases		Controls
Treatment variable	Frequency	Percentage	Frequency	Percentage	p Value
Conserving surgery	31	69	40	58	0.24
Non-conserving surgery	14	31	29	42	0.24
Chemotherapy	19	42	35	51	0.37
No chemotherapy	26	58	34	49	0.37
Radiotherapy	39	87	51	74	0.10
No radiotherapy	6	13	18	26	0.10
Hormone therapy	6	13	11	16	0.79
No hormone therapy	39	87	58	84	0.79
Lymph node positive	17	38	17	25	0.13
Lymph node negative	28	62	52	75	0.13
Oestrogen receptor positive	42	93	54	78	0.03
Oestrogen receptor negative	3	7	15	22	0.03
HER2 receptor positive	6	13	8	12	0.78
HER2 Receptor negative	39	87	61	88

CRFS, cancer-related fatigue syndrome.