Skip to main content

Table 4 Results of the analysis

From: One “misunderstood” health issue: demonstrating and communicating the safety of influenza a vaccination in pregnancy: a systematic review and meta-analysis

Endpoints which were assessed RR with 95% CI P values
Premature/Preterm birth (<  37 weeks) 0.80 [0.69–0.92] 0.002
Very preterm birth (<  32 weeks) 0.70 [0.58–0.84] 0.0001
Low birth weight (<  2500 g) 0.71 [0.49–1.04] 0.08
Very low birth weight (<  1500 g) 0.69 [0.23–2.11] 0.52
Small for gestational age 0.93 [0.83–1.05] 0.26
Stillbirth 0.63 [0.38–1.03] 0.07
Major birth defects 0.67 [0.26–1.72] 0.41
Admission to NICU 0.94 [0.87–1.02] 0.13
Apgar score < 7 in 5 min 0.89 [0.78–1.02] 0.09
  1. Abbreviations: RR Risk ratios, CI Confidence intervals, NICU Neonatal intensive care unit