Table 2.

Multivariable analysis of the satisfaction degree

Variable	Regression coefficient (B)	Standardized regression coefficient (β)	P
Age
≤ 35 years	Ref
36–45 years	− 4.694	− 0.125	0.086
> 45 years	− 15.746	− 3.74	<0.001
Body mass index
< 18.5 kg/m2	Ref
18.5–24 kg/m2	− 3.129	− 0.077	0.676
> 24 kg/m2	− 8.633	− 0.206	0.266
TNM stage
0–I	Ref
II	− 1.273	− 0.034	0.644
III–IV	− 9.261	− 0.135	0.097
Radiotherapy	− 8.589	− 0.202	0.062
Chemotherapy	− 4.759	− 0.125	0.084
Neoadjuvant chemotherapy	2.742	0.063	0.538
Surgical approach
Anterior pectoralis approach	Ref
Posterior pectoralis approach	1.999	0.023	0.722