Table 4.
Meta-regression analysis in the knee range of motion (3 months) and Insall-Salvati ratio between two groups
| Parameters | Variable | Coefficient | Standard error | P value | 95% confidence interval |
|---|---|---|---|---|---|
| ROM-3 M | Year | 0.194 | 0.056 | 0.179 | -0.517 to 0.904 |
| Type | 0.590 | 0.636 | 0.524 | -7.491 to 8.672 | |
| Country | -0.144 | 0.231 | 0.645 | -3.080 to 2.792 | |
| Sex | -0.675 | 0.944 | 0.605 | -12.675 to 11.325 | |
| Constant | -389.837 | 112.827 | 0.179 | -1823.436 to 1043.763 | |
| IS ratio | Year | 0.099 | 0.231 | 0.742 | -2.832 to 3.030 |
| Type | 0.452 | 1.077 | 0.747 | -13.237 to 14.141 | |
| Country | 0.230 | 1.086 | 0.529 | -13.564 to 14.023 | |
| Sex | -1.662 | 1.819 | 0.867 | -24.777 to 21.454 | |
| Constant | -199.084 | 466.973 | 0.743 | -6132.539 to 5734.371 |
ROM, knee range of motion (˚); IS, Insall-Salvati ratio