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Table 3 Baseline features reported by the participants

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

Studies GDM (%)
Vac/UV
HBP (%)
Vac/UV
MP (%)
Vac/UV
FA suppl (%)
Vac/UV
Baum2015 [15]     
Beau2014 [16] 3.10/3.80 0.90/1.20 2.10/2.50 27.4/18.5
Chambers2013 [17]   8.90/3.90   69.0/72.3
Chambers 2016[18]   8.10/5.50   72.1/63.8
Cleary2014 [19]
Fabiani2015 [20] 2.00/1.30
Fell2012 [21]   48.1/51.9
Kallen2012 [22] 1.06/1.84 0.42/0.74
Legge2014 [23] 4.80/4.98 1.02/1.11
Lin2012 [24]
Maas2015 [25]
Olsen2016 [26]
Pasternak2012 [27]
Richards2013 [28] 16.2/15.6 14.4/14.9 5.30/5.80
Rubinstein2013 [29] 4.10/3.60
Sheffield2012 [30] 12.0/6.00 9.00/9.00 2.00/1.00
Steinhoff2012 [31]
Steinhoff2017 [32]
Zerbo2017 [33] 2.10/1.87
  1. Abbreviations: GDM Gestational diabetes, HBP High blood pressure, MP Multiple pregnancy, FA suppl Folic acid supplement, Vac Vaccination, UV Unvaccinated