Table 1 For 86,878 patients in NTDB whose injuries were coded using ICD-10-CM, observed mortality(%) for categories of Injury Severity Score (ISS) using the methods described: Recorded by NTDB trauma registrars (ISSAIS), or estimated by ICDPIC-R (GEMmax, GEMmin, and ROCmax). For 66,417 patients in NIS, observed mortality for the last three of these categories
From: Open-access programs for injury categorization using ICD-9 or ICD-10
ISSAIS | GEMmax | GEMmin | ROCmax | |
|---|---|---|---|---|
Calculated ISS | National Trauma Data Bank | |||
1–8 | 1.1 | 1.5 | 1.6 | 0.8 |
9–15 | 2.4 | 3.0 | 3.1 | 3.0 |
16–24 | 6.4 | 5.0 | 6.3 | 8.5 |
25–40 | 27.4 | 22.7 | 31.0 | 29.0 |
41–49 | 40.4 | 34.6 | 41.8 | 49.8 |
50–75 | 62.1 | 54.5 | 53.6 | 65.5 |
Unknown | 4.9 | 2.2 | 2.2 | 0.0 |
Calculated ISS | National Inpatient Sample | |||
1–8 | 0.7 | 0.8 | 0.8 | |
9–15 | 2.1 | 2.1 | 2.4 | |
16–24 | 4.5 | 5.8 | 7.3 | |
25–40 | 16.7 | 25.0 | 16.5 | |
41–49 | 24.3 | 20.0 | 23.5 | |
50–75 | 33.3 | 32.3 | 36.8 | |
Unknown | 2.5 | 2.5 | 0.0 | |