Table 6.
National Trauma Data Bank National Sample Program, 2013 data codes of pre-existing comorbidities utilized in analysis
| Pre-existing comorbidities | Source in dataset |
|---|---|
| Coronary Artery Diseasea | NTDB comorbidity codes 16, 17 ICD9 codes 414.01, 440.9, 414.00, 414.4, 414.3, 414.02 |
| Congestive Heart Failure | NTDB comorbidity code 7 |
| Diabetes Mellitus | NTDB comorbidity code 11 |
| Cerebrovascular Accident | NTDB comorbidity code 10 |
| Peripheral Vascular Disease | NTDB comorbidity code 18 |
| Pulmonary Disease | ICD9 codes 490.0, 490, 491.0, 491.1, 491.2, 491.20, 491.22, 491.8, 491.9, 492.0, 492.8, 493, 493.0, 493.1, 493.2, 494.0, 493.1, 495.0, 495.1, 495.2, 495.3, 495.4, 495.5, 495.6, 495.7, 495.8, 495.9, 496.0 |
| Chronic Kidney Disease | ICD9 codes 585.1, 585.2, 585.3, 585.4, 585.5, 585.6, 585.9 |
| Alcoholism | NTDB comorbidity code 2 |
| Current Smoker | NTDB comorbidity code 8 |
aBecause the NTDB dataset used multiple comorbidity codes to indicate coronary artery disease (e.g., history of a myocardial infarction and history of angina), additional ICD9 codes were queried to ensure no cases were missing