Table 3 The summary of rating quality of evidence for two-dose varicella VEs
From: Two-dose varicella vaccine effectiveness in China: a meta-analysis and evidence quality assessment
Evidence Decrease | Evidence Increase | Quality | |||||||
|---|---|---|---|---|---|---|---|---|---|
limitations | Inconsistency | Indirectness | Imprecision | Publication Bias | large Effect | Plausible Confounding | Dose-response Gradi | ||
Pooled VE | seriousa | nob | no | no | seriousc | very larged | no | no | LOW |
Outbreak | |||||||||
Y | seriousa | no | no | no | no | larged | no | no | LOW |
N | seriousa | no | no | no | seriousc | very larged | no | no | LOW |
NOS score | |||||||||
≥ 7 | no | nob | no | no | seriousc | very larged | no | no | MODERATE |
< 7 | seriousa | no | no | no | no | larged | no | no | LOW |