Table 2.
Proportions of ICPC codes of identified participants versus total sample
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%) |
* Difference between mean total participation percentage (26.8%) and participation percentage of specific ICPC codes