Table 1.
Characteristics of patient data in the CRASH dataset
| Variable category | Variable (abbreviation) | Category | Total cases with no missing values |
|---|---|---|---|
| Epidemiology | Sex (sex) | Male | 5706 |
| Female | 1239 | ||
| Age (age) | <20 | 892 | |
| 20-24 | 1191 | ||
| 25-29 | 860 | ||
| 30-34 | 754 | ||
| 35-44 | 1199 | ||
| 45-54 | 899 | ||
| >55 | 1150 | ||
| Injury Cause (cause) | Road traffic accident | 4780 | |
| Fall>2 meters | 920 | ||
| Other | 1245 | ||
| Major extracranial injury (ec) | Yes | 1638 | |
| No | 5307 | ||
| Assessment | Eye opening (eye) | No response | 2680 |
| To pain | 1261 | ||
| To verbal stimulus | 1764 | ||
| Spontaneous | 1240 | ||
| Motor response (motor) | No response | 601 | |
| Extension | 407 | ||
| Abnormal flexion | 515 | ||
| Withdrawal | 933 | ||
| Localises | 2723 | ||
| Follows commands | 1766 | ||
| Verbal response (verbal) | No response | 2640 | |
| Incomprehensible sounds | 1124 | ||
| Single words | 821 | ||
| Confused | 2006 | ||
| Oriented | 354 | ||
| Pupillary response (pupils) | Both reactive | 5791 | |
| No response unilateral | 496 | ||
| No response | 658 | ||
| Image findings | Petechial haemorrhage (phm) | Yes | 1974 |
| No | 4971 | ||
| Subarachnoid bleed (sah) | Yes | 2206 | |
| No | 4739 | ||
| Obliterated 3rd ventricle or basal cisterns (oblt) | Yes | 1663 | |
| No | 5282 | ||
| Midline shift (mdls) | Yes | 1021 | |
| No | 5924 | ||
| Hematoma (hmt) | Yes | 2718 | |
| No | 4227 | ||
| Outcome | Outcome at 6 months | Death or severe disability | 2763 |
| Moderate disability or good recovery | 4182 |