Table 1 Distribution of rules after the panel review
Three-digit rules | Four-digit rules | |
|---|---|---|
N | 388 | 275 |
Age group | ||
0 to 4 | 52 (13.4%) | 43 (15.6%) |
20 to 44 | 82 (21.1%) | 49 (17.8%) |
45 to 64 | 74 (19.1%) | 42 (15.3%) |
≥65 | 180 (46.4%) | 141 (52.3%) |
Number of unique ICD codes | ||
Right hand side of rules | 82 | 93 |
Left hand side of rules | 107 | 84 |
Both sides of rules | 114 | 106 |
Confidence of rules | ||
0.05 to 0.2 | 131 (33.8%) | 146 (53.1%) |
0.2 to 0.5 | 158 (40.7%) | 89 (32.4%) |
≥0.5 | 99 (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%) |