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Table 3 Gender and gestational age specific prevalence of ventricular septal defects among screened subjects ( n= 2,661)

From: Prenatal ultrasonography and Doppler sonography for the clinical investigation of isolated ventricular septal defects in a late second-trimester population

GA (weeks) Male Female Total  
  Screened ( n) VSD ( n) Prevalence (%) P value for trend test Screened ( n) VSD ( n) Prevalence (%) P value for trend test Screened ( n) VSD ( n) Prevalence (%) P value for trend test
19+0 to 19+6 34 0 0.00   48 4 8.33   82 4 4.87   
20+0 to 20+6 182 11 6.04 0.04 170 7 4.12 0.38 352 18 5.11 0.06  
21+0 to 21+6 338 24 7.10   284 11 3.87   622 35 5.63   
22+0 to 22+6 382 20 5.23   340 17 5.00   722 37 5.12   
23+0 to 23+6 263 7 2.66   270 15 5.56   533 22 4.13   
24+0 to 24+6 182 5 2.74   168 3 1.79   350 8 2.29   
Total 1,381 67 4.85   1,280 57 4.45   2,661 124 4.66   
  1. GA, gestational age; VSD, ventricular septal defect.