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Table 2 Annual age- and sex-specific incidence rates per one million population for TSCI and corresponding incidence rate ratios

From: Epidemiology and contemporary risk profile of traumatic spinal cord injury in Switzerland

  Incidence Rate (95 % CI)  
  Male Female Overall Male to Female (IRR)
  Para Tetra Total Para Tetra Total Para Tetra Total Total
16–30 20.8 (17.4–24.9) 10.8 (8.5–13.9) 31.6 (27.4–36.6) 6.5 (4.7–9.0) 1.6 (0.8–3.0) 8.1 (6.1–10.8) 13.8 (11.8–16.1) 6.3 (5.0–7.9) 20.1 (17.6–22.8) 3.9 (2.8–5.5)
31–45 15.4 (12.8–18.6) 8.5 (6.6–10.9) 23.9 (20.5–27.7) 5.7 (4.2–7.8) 1.4 (0.3–2.6) 7.1 (5.4–9.4) 10.6 (9.0–12.4) 5.0 (3.9–6.3) 15.6 (13.6–17.7) 3.4 (2.4–4.7)
46–60 11.8 (9.5–14.8) 11.1 (8.8–13.9) 22.9 (19.5–26.9) 5.1 (3.7–7.2) 3.4 (2.3–5.2) 8.5 (6.6–11.2) 8.5 (7.1–10.3) 7.3 (5.9–8.9) 15.8 (13.8–18.1) 2.7 (2.0–3.7)
61–75 9.9 (7.3–13.5) 20.8 (16.8–25.7) 30.7 (25.8–36.6) 6.4 (4.4–9.2) 4.8 (3.2–7.3) 11.2 (8.5–14.7) 8.1 (6.4–10.2) 12.4 (10.3–15.0) 20.5 (17.7–23.7) 2.7 (2.0–3.9)
76+ 12.0 (7.7–18.6) 26.3 (19.6–35.4) 38.3 (30.0–49.0) 6.0 (3.7–9.7) 7.1 (4.6–11.0) 13.1 (9.5–18.1) 8.2 (6.0–11.4) 14.2 (11.2–18.2) 22.4 (18.5–27.3) 2.9 (1.9–4.5)
Total 12.9 (11.6–14.4) 14.6 (13.2–16.2) 27.5 (25.5–29.6) 5.9 (5.0–6.9) 3.1 (2.5–3.9) 9.0 (7.9–10.2) 10.1 (9.3–11.0) 7.9 (7.2–8.7) 18.0 (16.9–19.2) 3.1 (2.7–3.6)
Standardized to WHO Standard World Population
Total a 17.6 (15.9–19.5) 15.6 (14.0–17.4) 33.2 (30.8–35.7) 7.0 (6.0–8.2) 3.7 (3.0–4.6) 10.7 (9.5–12.2) 12.2 (11.2–13.3) 9.5 (8.6–10.4) 21.7 (20.3–23.1) 3.1 (2.7–3.6)
  1. aAge-standardized to the WHO standard world population (Ahmad et al. 2000); IRR = Incidence Rate Ratio