Table 4.
For 80,638 patients in NTDB whose injuries were coded using ICD-10-CM and who had been registered with an Injury Severity Score (ISSAIS), the percentages who were categorized as shown into ISS categories by ISSAIS and by ICDPIC-R (RISS, using the ROCmax method)
| RISS, ROCmax Method | |||||||
|---|---|---|---|---|---|---|---|
| 1–8 | 9–15 | 16–24 | 25–40 | 41–49 | 50–75 | Uncoded | |
| ISSAIS | |||||||
| 1–8 | 41.5 | 7.4 | 1.1 | 1.1 | 0.0 | 0.0 | 0.0 |
| 9–15 | 15.6 | 12.3 | 4.2 | 1.1 | 0.0 | 0.0 | 0 |
| 16–24 | 2.3 | 2.6 | 3.6 | 1.0 | 0.1 | 0.0 | 0 |
| 25–40 | 0.6 | 0.8 | 2.2 | 1.6 | 0.1 | 0.1 | 0 |
| 41–49 | 0.0 | 0.1 | 0.1 | 0.2 | 0.1 | 0.0 | 0 |
| 50–75 | 0.0 | 0.0 | 0.1 | 0.2 | 0.1 | 0.1 | 0 |