Identifying factors predicting prolonged rehabilitation after simultaneous bilateral total knee arthroplasty: a retrospective observational study

Table 2 Results of regression analysis

Variable	Β	P-value	Odds ratio	CI (95%)
Variable	Β	P-value	Odds ratio	Lower	Upper
Age	−0.0870	0.00590	1.09	1.03	1.16
BMI	−0.0892	0.0565	1.09	0.998	1.20
Living alone	−0.563	0.165	0.579	0.257	1.27
Knee Society score: stairs	0.0267	0.140	0.978	0.948231	1.01
Hemoglobin, g/dL	0.340	0.037	0.712	0.511493	0.971
ASA class	−1.13	0.0724	3.09	0.964960	12.0

CI confidence interval, BMI body mass index, ASA American society of anesthesiologists

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