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Table 1 Distribution of rules after the panel review

From: Development and validation of data quality rules in administrative health data using association rule mining

 Three-digit rulesFour-digit rules
N388275
Age group
 0 to 452 (13.4%)43 (15.6%)
 20 to 4482 (21.1%)49 (17.8%)
 45 to 6474 (19.1%)42 (15.3%)
 ≥65180 (46.4%)141 (52.3%)
Number of unique ICD codes
 Right hand side of rules8293
 Left hand side of rules10784
 Both sides of rules114106
Confidence of rules
 0.05 to 0.2131 (33.8%)146 (53.1%)
 0.2 to 0.5158 (40.7%)89 (32.4%)
 ≥0.599 (25.5%)40 (14.5%)
Support of rules
 0.2 to 1%205 (52.8%)165 (60.0%)
 1 to 3%136 (35.1%)69 (25.1%)
 ≥3%47 (12.1%)41 (14.9%)