Simultaneous Bilateral Total Knee Arthroplasty in Elderly: Are There Factors that Can Influence Safety and Clinical Outcome?

Table 6

Correlation between the preoperative data and postoperative OKS. The preoperative KOOS was positively associated with the postoperative KOOS, while age was negatively associated.

	Coef.	> |t|	(95% C I)
Preoperative OKS	1.37	<0.001	1.67; 1.68
Sex	−1.61	0.426	−5.74; 2.52
Age	−0.83	0.006	−1.39; −0.27
BMI	−0.05	0.823	−0.60; 0.48
Preoperative Hb	1.94	0.144	−0.71; 4.61
No of comorbidities	0.01	0.990	−1.21; 1.22
ASA	−3.95	0.131	−9.19; 1.28
Presence of complications	−2.40	0.212	−6.29; 1.47