Table 7. Comparison of surgical technique and hormone therapy status and the mean score of EORTC QLQ-C30 cancer quality of life scale in the study.

Variables Surgery	Cognitive function			P*	Social function			P*	General health perception			P*
	First day x±SD	Last day x ± SD	Three months later x ± SD		First day x ± SD	Last day x±SD	Three months later x±SD		First day x ± SD	Last day x ± SD	Three months later x±SD
Surgery
MRM (n= 37)	77.78 ± 24.88	81.53 ±17.91	78.83 ± 20.66	0.741	79.73 ± 20.46	78.38 ± 20.36	75.23 ± 20.27	0.629	58.33 ± 17.24	53.83 ± 19.50	58.78 ± 19.64	0.451
BCS (n= 72)	79.40 ± 23.65	81.48 ±18.46	75.69 ± 23.39	0.293	81.71 ±22.58	74.77 ± 23.07	77.31 ± 19.44	0.174	53.82 ± 21.30	57.99 ± 16.93	54.40 ± 20.60	0.320
p#	0.742	0.989	0.493		0.655	0.423	0.602		0.268	0.252	0.287
Hormone therapy
No (n= 16)	76.04 ± 27.20	79.17 ± 18.76	70.83 ± 23.96	0.633	79.17 ±27.55	70.83 ± 27.55	82.29 ± 22.33	0.459	52.60 ± 25.59	53.65 ± 21.51	50.52 ± 18.63	0.913
Yes (n= 93)	79.34 ± 23.49	82.07 ± 18.20	77.72 ± 22.28	0.421	81.36 ± 20.83	76.88 ±21.14	75.63 ±19.12	0.147	55.82 ± 1 9.07	57.08 ± 17.24	56.81 ± 20.52	0.879
p#	0.613	0.581	0.255		0.712	0.315	0.212		0.555	0.480	0.254
According to the multiple comparison test result (Bonferroni), the difference in alphabetical exponents indicates statistically significant. p*: Repeated measure analysis of variance, p#: Student's t test, x: Arithmetic mean, SD: Standard deviation, BCS: Breast conserving surgery, MRM: Modified radical mastectomy.