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Table 1 Sociodemographic baseline and injury characteristics by age group

From: Association of age with the timing of acute spine surgery–effects on neurological outcome after traumatic spinal cord injury

Age group  ≤ 44y n = 66 45–59y n = 45 60–74y n = 53  ≥ 75y n = 49 p-value
Age min–max 14.1–44.8 46.1–59.5 61–74.9 75–90.7 _
Age, Median (IQR) 32.5 (25.6–40.9) 53.9 (49.3–57.2) 70.0 (64.0–72.5) 79.6 (77.8–83.2) _
Gender, female (%) 13 (19.7) 5 (11.1) 15 (28.3) 20 (40.8) 0.006
BMI, Median (IQR) 24.5 (22.2–26.2) 24.8 (24.0–28.2) 27.5 (25.4–30.9) 26.0 (23.7–27.8)  < 0.001
CCI, Median (IQR) 0 (0–0) 0 (0–1) 1 (0–3) 2 (1–4)  < 0.001
Etiology of SCI, falls: traffic: other (%) 15: 28: 23 18: 16: 11 40: 10: 3 40: 8: 1  < 0.001
(22.7: 42.4: 34.8) (40.0: 35.6: 24.4) (75.5: 18.9: 5.7) (81.6: 16.3: 2.0)
AIS, A: B: C: D (%) 31: 7: 4: 22 16: 4: 4: 19 26: 2: 4: 20 18: 1: 13: 15 0.025
(48.4: 10.9: 6.3: 34.4) (37.2: 9.3: 9.3: 44.2) (50.0: 3.8: 7.7: 38.5) (38.3: 2.1: 27.7: 31.9)
Neurological level, c: th: ls (%) 21: 22: 21 26: 12: 4 32: 8: 12 35: 5: 7  < 0.001
(32.8: 34.4: 32.8) (61.9: 28.6: 9.5) (61.5: 15.4: 23.1) (74.5: 10.6: 14.9)
TBI, I°: II°: III° (%) 5: 4: 8 10: 1: 4 6: 5: 0 7: 0: 1 0.016
(7.6: 6.1: 12.1) (22.2: 2.2: 8.9) (11.3: 9.4: 0) (14.3: 0: 2.0)
Additional injuries other than TBI (%) 47 (71.2) 27 (60.0) 21 (39.6) 19 (38.8) 0.001
  1. The age groups as defined by the International SCI Core Dataset [12] were modified in a way that younger age categories were combined to ≤ 44 years. TBI is categorized as mild (I°), moderate (II°), and severe (III°). Abbreviations: AIS = ASIA Impairment Scale, BMI = body mass index, c = cervical, CCI = Charlson comorbidity index, IQR = interquartile range, ls = lumbosacral, TBI = traumatic brain injury, th = thoracic, y = years
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