Table 3.
Characteristics and mortalities of 58 non-survivals
| Characteristic | Non-survivors (n=58) | Survivors (n=846) | Total patients (n=904) | Mortality (%) | p-value |
|---|---|---|---|---|---|
| Age (years)* | 0.508 | ||||
| 65–69 | 15 (25.9) | 236 (27.9) | 251 | 5.98 | |
| 70–74 | 15 (25.9) | 234 (27.7) | 249 | 6.02 | |
| 75–79 | 12 (20.7) | 212 (25.1) | 224 | 5.36 | |
| 80–84 | 9 (15.5) | 109 (12.9) | 118 | 7.63 | |
| ≥85 | 7 (12.1) | 55 (6.5) | 62 | 11.29 | |
| Sex† | 0.515 | ||||
| Male | 37 (63.8) | 503 (59.5) | 540 | 6.85 | |
| Female | 21 (36.2) | 343 (40.5) | 364 | 5.77 | |
| Cause†,‡ | 0.001 | ||||
| Fall | 15 (25.9) | 383 (45.3) | 398 | 3.77 | |
| Traffic accident | 29 (50.0) | 220 (26.0) | 249 | 11.65 | |
| Assault | 2 (3.4) | 13 (1.5) | 15 | 13.33 | |
| Others | 3 (5.2) | 55 (6.5) | 58 | 5.17 | |
| Unknown | 7 (12.1) | 80 (9.5) | 87 | 8.05 | |
| Unavailable | 2 (3.4) | 95 (11.2) | 97 | 2.06 | |
| Diagnosis† | 0.079 | ||||
| A-EDH | 4 (6.9) | 55 (6.5) | 59 | 6.78 | |
| A-SDH | 37 (63.8) | 415 (49.1) | 452 | 8.19 | |
| T-SAH | 9 (15.5) | 129 (15.2) | 138 | 6.52 | |
| Contused ICH | 5 (8.6) | 82 (9.7) | 87 | 5.75 | |
| DAI | 0 | 3 (0.4) | 3 | 0 | |
| Others | 3 (5.2) | 162 (19.1) | 165 | 1.82 | |
| Severity of brain injury*,‡ | <0.001 | ||||
| Mild | 2 (3.4) | 557 (65.8) | 559 | 0.35 | |
| Moderate | 7 (12.1) | 203 (24.0) | 210 | 3.33 | |
| Severe | 49 (84.5) | 86 (10.2) | 135 | 36.3 | |
| GCS score at admission*,‡ | <0.001 | ||||
| 13–15 | 7 (12.1) | 650 (76.8) | 657 | 1.07 | |
| 9–12 | 8 (13.8) | 98 (11.6) | 106 | 7.55 | |
| 3–8 | 43 (74.1) | 98 (11.6) | 141 | 30.5 | |
| Treatment†,‡ | <0.001 | ||||
| Surgical | 28 (48.3) | 632 (74.7) | 660 | 4.24 | |
| Non-surgical | 30 (52.7) | 214 (25.3) | 244 | 12.3 |
*
Mann-Whitney U test.
†
Pearson’s x2 and Fisher’s exact tests.
‡
p<0.005 indicates statistical significance.
A-EDH : acute epidural hematoma, A-SDH : acute subdural hematoma, T-SAH : traumatic subarachnoid hemorrhage, ICH : intracranial hemorrhage, DAI : diffuse axonal injury, GCS : Glasgow coma scale