Table 13. Comparison of the mean score of the EORTC QLQ-BR23 breast cancer-specific scale according to the surgical status and hormonal therapy in the study.

Variables	Arm related problems			p*	Breast related problems			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
Surgery
MRM (n= 37)	8.95 ± 11.52	6.17 ± 8.99	5.25 ± 9.00	0.230	43.69 ± 12.17	42.79 ± 13.35	45.05 ± 14.36	0.787
BCS (n= 72)	14.04 ± 19.47a	9.41 ± 10.66a	4.01 ± 7.76b	<0.001	43.06 ± 15.95	41.09 ± 11.13	43.98 ± 13.14	0.413
p#	0.151	0.098	0.510		0.831	0.481	0.699
Hormone therapy
No (n= 16)	17.36 ± 23.30	11.11 ± 12.83	4.86 ± 9.04	0.148	44.27 ± 14.50	41.67 ± 13.61	43.75 ± 12.36	0.842
Yes (n= 93)	11.47 ± 16.09a	7.85 ± 9.68a	4.35 ± 8.06b	<0.001	43.10 ± 14.83	41.67 ± 11.66	44.44 ± 13.76	0.380
p#	0.212	0.227	0.801		0.770	1.000	0.850
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.