Table 2 Characteristics of participants resulted from low-fall and high-fall (N = 775)
From: Traumatic spinal cord injury caused by low falls and high falls: a comparative study
| Characteristics | Low fall group | High fall group | P value |
|---|---|---|---|
| n = 212 (%) | n = 563 (%) | ||
| Age (years) | χ2 = 170.039, P < 0.001 | ||
| 0–15 | 17 (8.0%) | 12 (2.1%) | |
| 16–30 | 20 (9.4%) | 172 (30.6%) | |
| 31–45 | 33 (15.6%) | 205 (36.4%) | |
| 46–60 | 88 (41.5%) | 162 (28.8%) | |
| 61 and above | 54 (25.5%) | 12 (2.1%) | |
| Sex | χ2 = 2.332, P = 0.127 | ||
| Male | 167 (78.8%) | 470 (83.5%) | |
| Female | 45 (21.2%) | 93 (16.5%) | |
| Neurological level of injury | χ2 = 134.059, P < 0.001 | ||
| Tetraplegia | 153 (72.2%) | 150 (26.6%) | |
| Paraplegia | 59 (27.8%) | 413 (73.4%) | |
| AIS grade | χ2 = 103.288, P < 0.001# | ||
| A | 49 (23.1%) | 316 (56.1%) | |
| B | 31 (14.6%) | 108 (19.2%) | |
| C | 53 (25.0%) | 67 (11.9%) | |
| D | 79 (37.3%) | 69 (12.3%) | |
| E | 0 (0.0%) | 3 (0.5%) | |
| Cases with spine surgery | 186 (87.7%) | 555 (98.6%) | χ2 = 43.168, P < 0.001 |
| Vertebrae fracture or dislocation | χ2 = 275.529, P < 0.001 | ||
| Yes | 92 (43.4%) | 538 (95.6%) | |
| No | 120 (56.60%) | 25 (4.40%) | |
| Major vertebrae fracture or dislocation | χ2 = 49.240, P < 0.001# | ||
| C1–C2 | 3 (3.2%) | 1 (0.2%) | |
| C3–C7 | 50 (53.8%) | 124 (23.0%) | |
| T1–T4 | 0 (0.0%) | 10 (1.9%) | |
| T5–T9 | 11 (11.8%) | 52 (9.7%) | |
| T10–L2 | 28 (30.1%) | 330 (61.3%) | |
| L3–L5 | 1 (1.1%) | 21 (3.9%) | |
| Complication | χ2 = 0.422, P = 0.516 | ||
| Yes | 149 (70.3%) | 382 (67.9%) | |
| No | 63 (29.7%) | 181 (32.1%) | |
| Other combined injuries | |||
| Extremity bones fracture | 11 (5.2%) | 131 (23.3%) | χ2 = 33.638, P < 0.001 |
| Craniocerebral injury | 38 (17.9%) | 129 (22.9%) | χ2 = 2.267, P = 0.132 |
| Thoracic injury | 6 (2.8%) | 111 (19.7%) | χ2 = 34.258, P < 0.001 |
| Abdominal injury | 1 (0.5%) | 28 (5.0%) | χ2 = 8.665, P = 0.003 |
| Pelvis fracture | 0 (0.0%) | 27 (4.8%) | χ2 = 10.534, P = 0.001 |
| ≥ 1 extraspinal lesions | 50 (23.6%) | 300 (53.3%) | χ2 = 54.857, P < 0.001 |
| ≥ 2 extraspinal lesions | 6 (2.8%) | 101 (17.9%) | χ2 = 29.545, P < 0.001 |
| Median time from injury to rehabilitation (IQR) | 41 (21, 110.5) | 50 (25,126) | P = 0.043* |
| Rehabilitation LOS | 78.5 (33, 150.25) | 112 (58, 215) | P < 0.001* |