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Table 1 Patients with normal EPM findings (control group) as divided by gender

From: Ethnicity and gender related differences in extended intraesophageal pH monitoring parameters in infants: a retrospective study

  Males Females p value
Number of patients 219 169  
Mean age (months) ± SD 3.81 ± 2.58 3.85 ± 2.47 0.90
Mean reflux index % ± SD 2.11 ± 1.51 2.20 ± 1.52 0.57
Mean number of reflux episodes ± SD 45.72 ± 37.04 46.84 ± 36.80 0.77
Mean number of reflux episodes >5 minutes 0.62 ± 0.93 0.66 ± 0.96 0.67
  1. SD: standard deviation