Table 7

Unadjusted acute length of stay after total knee arthroplasty

Weight classUnadjusted acute length of stay, d, mean ± SDp value*
Normal weight4.2 ± 2.5< 0.001
Overweight4.0 ± 2.7
Obese I3.9 ± 2.0
Obese II4.0 ± 2.2
Obese III4.3 ± 4.4

  • SD = standard deviation.

  • ↵* Analysis of variance.