Table 3.
Meta-regression results (follow-up time) in the training and validation sets.
| Meta-regression | REML estimate of between-study variance | % residual variation due to heterogeneity | Proportion of between-study variance explained | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of obs | tau2 | I-squared_res | Adj R-squared | |||||||||
| Training sets | Validation sets | Training sets | Validation sets | Training sets | Validation sets | Training sets | Validation sets | |||||
| 14 | 10 | 0.00649 | 0.003267 | 93.53% | 63.72% | −1.07% | −2.04% | |||||
| With Knapp-Hartung modification | ||||||||||||
| Cindex | Coefficient | Std. err | t | P > t | [95% conf. interval] | |||||||
| Training sets | Validation sets | Training sets | Validation sets | Training sets | Validation sets | Training sets | Validation sets | Training sets | Validation sets | Training sets | Validation sets | |
| Follow_time | 0.0046061 | 0.0068074 | 0.0060551 | 0.0070785 | 0.76 | 0.96 | 0.462 | 0.364 | −0.0085867 | −0.0095157 | 0.0177989 | 0.0231306 |
| _cons | 0.7810826 | 0.7623026 | 0.0420074 | 0.0619474 | 18.59 | 12.31 | 0.000 | 0.000 | 0.6895563 | 0.6194516 | 0.8726088 | 0.9051536 |