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. 2020 Apr;63(2):E142–E149. doi: 10.1503/cjs.006719

Table 7.

Unadjusted acute length of stay after total knee arthroplasty

Weight class Unadjusted acute length of stay, d, mean ± SD p value*
Normal weight 4.2 ± 2.5 < 0.001
Overweight 4.0 ± 2.7
Obese I 3.9 ± 2.0
Obese II 4.0 ± 2.2
Obese III 4.3 ± 4.4

SD = standard deviation.

*

Analysis of variance.