Table 5.
Bias test for each serogroup.
| Serogroup | Method for publication bias | df | t | se.bias | Intercept | P> | t | | Normality test (P) | Data transformation methods* | Raw result | Calibration results |
|---|---|---|---|---|---|---|---|---|---|---|
| A | Peters | 4 | 2.39 | 0.665 | 0.0781 | 0.0753 | 0.6905 | PRAW | 7.1(1.8–12.4) | - |
| B | Linreg | 8 | 1.14 | 1.5249 | 0.1352 | 0.2857 | 0.5605 | PRAW | 30.2(17.3–43.0) | - |
| C | Linreg | 9 | 2.75 | 1.046 | 0.1951 | 0.0224 | 0.3891 | PRAW | 49.7(35.8–63.5) | 27.3(13.2–41.4) |
| W | Peters | 5 | 0.26 | 1.7013 | 0.2811 | 0.803 | 0.5453 | PRAW | 23.8(7.0–40.7) | - |
| Other | Peters | 3 | 1.09 | 1.4059 | 0.2392 | 0.355 | 0.6616 | PRAW | 24.9(11.0–38.8) | - |
*PRAW, untransformed proportions.