Research Article
The Influence of Obesity on Patient Reported Outcomes following Total Knee Replacement
Table 3
Mean (std.) of the change score data for the three BMI groups, means, and standard deviations.
| | Outcome | Nonobese () | Obese () | P value |
| | OKS (pre-6mo) | −11.5 (10.9) | −15.3 (8.8) | 0.129 | | OKS (pre-1yr) | −13.2 (9.9) | −17.0 (9.1) | 0.120 | | SF12 PCS (pre-6mo) | 8.4 (13.2) | 6.9 (10.6) | 0.603 | | SF12 PCS (pre-1yr) | 11.3 (11.9) | 6.7 (7.9) | 0.061 | | SF12 MCS (pre-6mo) | 0.5 (11.8) | 3.1 (12.3) | 0.233 | | SF12 MCS (pre-1yr) | 0.7 (9.3) | 2.7 (10.8) | 0.428 |
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PCS: physical component summary of the SF12, MCS: mental component summary of SF12.
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