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R and I2 statistics for the osteoarthritis of the knee data.
| R | I2 (%) | |
| Common-effect and consistent → random-effects and consistent | 1.81 | 69 |
| Random-effects and consistent → random-effects and inconsistent | 1.11 | 19 |
| Common-effect and consistent → random-effects and inconsistent | 2.01 | 75 |
