Table 1.

Regression analysis of age and sagittal angle of spine in standing position

Variable	Sex	Sample size	Β (95% CI)	P
TKA	Male	604	−0.141(−0.348–0.065)	0.180
	Female	534	−0.420(− 0.661–-0.178)	0.001**
LLA	Male	604	0.016(−0.232–0.263)	0.901
	Female	534	−0.415(− 0.737–-0.093)	0.012*

* p < 0.05, ** p < 0.01