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Table 1 Numbers and weighted prevalence rates (%) of stomach symptoms by gender

From: Epidemiology of gastrointestinal symptoms in young and middle-aged Swiss adults: prevalences and comorbidities in a longitudinal population cohort over 28 years

   N M + F% M% F% p
Pain, burn, pressure subacute≥1 week 65 9.3 7.9 10.8 0.012
  chronic≥3 months 51 8.8 4.1 13.2 < 0.001
  subacute+chronic 116 18.1 12.0 24.0 < 0.001
Nausea, vomitus subacute≥1 week 36 7.0 4.8 9.0 < 0.001
  chronic≥3 months 40 5.5 0.6 10.1 < 0.001
  subacute+chronic 76 11.0 4.5 19.1 < 0.001
Pain, burn, pressure with nausea, vomitus subacute≥1 week 35 4.9 2.9 7.1 < 0.001
chronic≥3 months 33 5.0 0.6 9.0 < 0.001
subacute+chronic 68 9.9 3.5 16.1 < 0.001
Any symptoms subacute≥1 week 54 11.6 11.0 12.2 0.385
  chronic≥3 months 76 9.3 4.2 14.2 < 0.001
  subacute+chronic 130 20.9 15.2 26.4 < 0.001
  1. Legend: n = number in the sample, prevalences: rates, back-weighted to the general population, M = male, F = female, p = type I error that the prevalences of m and f are different (two-sided)