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Table 2 Results of two-dose varicella VEs analysis

From: Two-dose varicella vaccine effectiveness in China: a meta-analysis and evidence quality assessment

Subgroup No. of Study Individuals of Study I2 (%) Polling Model Publication Bias RR (95%CI) VE (%, 95%CI)
Overall 12 87,196 83 Random 0.024 0.10 (0.03 ~ 0.31) 90 (69 ~ 97)
Outbreak
 Y 10 3636 0 Fixed 0.334 0.13 (0.07 ~ 0.24) 87 (76 ~ 93)
 N 2 83,560 34 Fixed 0.001 0.01 (0.01 ~ 0.02) 99 (98 ~ 99)
NOS score
  ≥ 7 9 86,367 82 Random 0.020 0.10 (0.03 ~ 0.40) 90 (60 ~ 97)
  < 7 3 829 0 Fixed 0.208 0.12 (0.05 ~ 0.29) 88 (71 ~ 95)