Table 5 |
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|
Model Parameter Estimates for the WOMAC Physical Function Subscale |
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|
Parameter |
WOMAC PF Estimate (95% CI) Level of Significance |
|
|
|
||
|
Fixed Effect Estimates |
Intercept (mean score at 1 week) |
23.92 (19.21, 28.63) p < .0005 |
|
Slope (weeks after surgery) |
-3.62 (-4.17, -3.06) p < .0005 |
|
|
Quadratic (weeks)2 |
.140 (.100, .181) p < .0005 |
|
|
WOMAC Physical Function Baseline Score |
.319 (.185, .452) p < .0005 |
|
|
|
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|
Standard Deviation |
||
|
|
||
|
Variance Estimates |
Within Patient Residual |
7.68 |
|
Intercept |
7.48 |
|
|
|
||
|
Abbreviations: CI, Confidence Interval PF, Physical Function TKA, Total Knee Arthroplasty THA, Total Hip Arthroplasty |
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|
Kennedy et al. BMC Musculoskeletal Disorders 2006 7:100 doi:10.1186/1471-2474-7-100 |
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