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Table 2 Proportions of ICPC codes of identified participants versus total sample

From: Childhood abdominal pain in primary care: design and patient selection of the HONEUR abdominal pain cohort

International Classification of Primary Care (ICPC) Patients identified in the EMR Study participants Difference in proportions (95%CI)*
All codes 556 (100%) 149 (26.8%)  
Generalized abdominal pain (D01) 222 86 (38.7%) 11.9% (4.6% to 19.3%)
Localized abdominal pain (D06) 120 37 (30.8%) 4.0% (-5.0% to 13.1%)
Constipation (D12) 76 17 (22.4%) -4.4% (-14.5% to 5.6%)
Gastroenteritis (D11/D70/D73) 133 9 (6.8%) -20.0% (-25.7% to - 14.4%)
Irritable Bowel Syndrome (D93) 5 0 (0%) -26.8% (-30.5% to - 23.1%)
  1. * Difference between mean total participation percentage (26.8%) and participation percentage of specific ICPC codes