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Table 2 Summary of included articles evaluating the impact of sex and birth weight on the risk of developing anastomotic strictures after repair of esophageal atresia

From: Gender and birth weight as risk factors for anastomotic stricture after esophageal atresia repair: a systematic review and meta-analysis

Study (year) Study design Country Study period Sample size Reported stricture rate (%)
      M/F BW
< 2500 g
BW
> 2500 g
Michaud et al. (2001) [14] Retrospective cohort single-center France (Five years) 50 37/45 30 47
Allin et al. (2014) [15] Prospective cohort multi-center UK and Ireland 2008–2009 76 40/34 28 43
Nice et al. (2016) [16] Retrospective cohort single-center USA 1999–2014 121 20/24 NA NA
Okata et al. (2016) [7] Retrospective cohort single-center Japan 2000–2015 28 53/31 NA NA
Stenström et al. (2017) [17] Retrospective Case-Control single-center Sweden Case 2010–2014, Control 2001–2009 93 39/42 43 42
Donoso et al. (2017) [8] Retrospective cohort single-center Sweden Case 2005–2013, Control 1994–2004 126 53/56 51 56
  1. M Male; F Female, BW Birth weight; NA Not available