Table 4.
MH and AE term hierarchy imputation summary
| Level | Imputation quality score | n (%) MH | n (%) AE |
|---|---|---|---|
| HLT | 1: No branches (deterministic) | 24,161 (65.1) | 36,202 (62.2) |
| HLT | 2: Exact match | 6,571 (17.7) | 6,931 (11.9) |
| HLT | 3: Fuzzy match | 889 (2.4) | 478 (0.8) |
| HLT | 4: Default—first branch found | 5,400 (14.6) | 14,346 (24.7) |
| HLT | 5: Unmapped | 84 (0.2) | 213 (0.37) |
| HLGT | 1: No branches (deterministic) | 36,578 (98.6) | 56,535 (97.2) |
| HLGT | 2: Exact match | 284 (0.8) | 659 (1.1) |
| HLGT | 3: Fuzzy match | 5 (0.01) | 5 (0.009) |
| HLGT | 4: Default—first branch found | 154 (0.4) | 758 (1.3) |
| HLGT | 5: Unmapped | 84 (0.2) | 213 (0.37) |
| SOC | 1: No branches (deterministic) | 36,361 (98) | 57,100 (98.2) |
| SOC | 2: Exact match | 417 (1.1) | 122 (0.2) |
| SOC | 3: Fuzzy match | 143 (0.4) | 2 (0.003) |
| SOC | 4: Default—first branch found | 100 (0.3) | 733 (1.2) |
| SOC | 5: Unmapped | 84 (0.2) | 213 (0.37) |
Abbreviations: AE, adverse event; HLGT, high level group term; HLT, high level term; MH, medical history; SOC, system organ class.