Research Article

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

Table 3

Preoperative and postoperative clinical outcomes according to the KOOS and OKS.

Preoperative valuesLast follow-up value

KOOS symptoms65.79 ± 8.2586.03 ± 12.48<0.0001
KOOS pain52.1 ± 11.0684.87 ± 19.74<0.0001
KOOS day living47.15 ± 10.4979.8 ± 22.62<0.0001
KOOS sports17,7 ± 9.0132,4 ± 22.970.0002
KOOS quality of life41.94 ± 14.6973.05 ± 28.63<0.0001
OKS26.31 ± 9.3138.13 ± 9.31<0.0001

KOOS: Knee Injury and Osteoarthritis Outcome Scale; OKS: Oxford Knee Score.