Research Article
Productivity Improvements in Hip and Knee Surgery
Table 2
Hip and knee surgery after matching.
| | Hip | Knee | | Treatment | Control | S Diff | Treatment | Control | S Diff |
| ADL limitations | 0.64 | 0.62 | 1.89 | 0.47 | 0.49 | −2.29 | IADL limitations | 0.32 | 0.29 | 3.46 | 0.24 | 0.25 | −1.49 | Mobility limitations | 1.97 | 1.96 | 0.50 | 1.94 | 1.98 | −2.08 | Large muscle index | 2.06 | 2.04 | 1.37 | 2.10 | 2.11 | −0.59 | Fine motor index | 0.37 | 0.33 | 6.15 | 0.27 | 0.27 | 0.62 | Gross motor index | 1.00 | 1.00 | 0.24 | 0.91 | 0.94 | −2.19 | Pain | 0.31 | 0.34 | −4.54 | 0.34 | 0.33 | 1.79 | Pain restrict | 0.26 | 0.28 | −4.77 | 0.28 | 0.27 | 1.79 | Pain moderate | 0.18 | 0.20 | −3.33 | 0.19 | 0.19 | 0.64 | Pain severe | 0.07 | 0.08 | −3.65 | 0.09 | 0.10 | −0.51 | Age | 69.88 | 69.51 | 3.99 | 68.20 | 68.31 | −1.21 | Black | 0.08 | 0.08 | −0.60 | 0.13 | 0.13 | −0.60 | Hispanic | 0.04 | 0.05 | −2.41 | 0.06 | 0.07 | −2.24 | Other race | 0.01 | 0.01 | 0.00 | 0.03 | 0.02 | −0.96 | Female | 0.61 | 0.60 | 3.01 | 0.66 | 0.67 | −2.11 | Married | 0.66 | 0.66 | −0.69 | 0.66 | 0.66 | 1.48 | Education 12 yrs | 0.35 | 0.36 | −0.68 | 0.36 | 0.35 | 1.57 | Education 13–15 yrs | 0.24 | 0.23 | 1.16 | 0.21 | 0.21 | −2.08 | Education 16+ yrs | 0.22 | 0.22 | 1.58 | 0.18 | 0.18 | −0.52 | Fair/poor health | 0.30 | 0.29 | 2.87 | 0.35 | 0.35 | −0.94 | Obese | 0.34 | 0.34 | 0.00 | 0.49 | 0.49 | −0.50 | Earnings | 7.85 | 9.35 | −6.36 | 9.47 | 9.65 | −0.48 | Income | 47.58 | 53.56 | −5.48 | 46.02 | 46.14 | −0.11 | Employed | 0.25 | 0.27 | −3.36 | 0.30 | 0.30 | −1.09 | Insurance | 0.99 | 0.99 | 4.46 | 0.98 | 0.99 | −2.73 | Year | 4.07 | 4.16 | −4.42 | 4.18 | 4.17 | 0.41 |
| | 611 | 611 | | 2003 | 2003 | |
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