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Table 1 Prevalence trends of congenital anomalies of the kidney and urinary tract (CAKUTs) among total and women aged ≥35 years

From: Prevalence, types, and malformations in congenital anomalies of the kidney and urinary tract in newborns: a retrospective hospital-based study

Time Born to all women Born to women aged ≥35 years
Number of births Number of cases of CAKUTs Prevalence per 1000 births Number of births Number of cases of CAKUTs Prevalence per 1000 births
2010 200,008 217 1.08 22,539 14 0.62
2011 221,469 229 1.03 19,557 18 0.92
2012 253,540 428 1.69 22,397 44 1.96
2013 266,036 432 1.62 22,627 47 2.08
2014 265,289 431 1.62 23,635 36 1.52
2015 264,029 474 1.80 26,608 52 1.95
2016 277,667 579 2.09 29,345 61 2.08
average 1,748,038 2790 1.60 166,708 272 1.63
   x2=126.57   x2=29.96  
   P < 0.001   P < 0.001  
  1. Abbreviations: CAKUTs congenital anomalies of the kidney and urinary tract