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. 2022 Apr 29;12:7020. doi: 10.1038/s41598-022-10992-5

Table 2.

One-year absolute and excess case-fatality of operated cSDH patients and relative risk of death compared to corresponding general population.

Men (years) Patients Baseline-fatality % (95% CI) cSDH case-fatality % (95% CI) Excess fatality % (95% CI) RR (95% CI)
16–54 563 0.4 (0.0–0.9) 8.7 (6.4–11.0) 8.3 (6.0–10.6) 22.9 (5.9–89.7)
55–64 895 1.1 (0.4–1.8) 10.2 (8.2–12.1) 9.1 (7.2–1.0) 9.3 (4.8–17.9)
65–74 1544 2.4 (1.6–3.1) 8.7 (7.3–10.2) 6.4 (5.2–7.6) 3.7 (2.6–5.3)
75–84 1982 6.1 (5.0–7.1) 15.4 (13.8–17.0) 9.3 (8.1–10.6) 2.5 (2.1–3.1)
≥ 85 831 15.9 (13.4–18.3) 30.1 (27.0–33.2) 14.2 (11.8–16.6) 1.9 (1.6–2.3)
Total 5815 5.2 (4.6–5.7) 14.3 (13.4–15.2) 9.1 (8.4–9.9) 2.8 (2.4–3.1)
Women (years) Patients Baseline-fatality % (95% CI) cSDH case-fatality % (95% CI) Excess fatality % (95% CI) RR (95% CI)
16–54 172 0.2 (0.0–0.8) 3.5 (0.7–6.2) 3.3 (0.6–6.0) 20.1 (0.5–783.5)
55–64 321 0.5 (0.0–1.3) 10.0 (6.7–13.2) 9.5 (6.3–12.7) 20.4 (4.1–100.6)
65–74 553 1.2 (0.3–2.0) 8.7 (6.3–11.0) 7.5 (5.3–9.7) 7.5 (3.3–17.1)
75–84 989 4.0 (2.8–5.2) 14.1 (11.9–16.2) 10.0 (8.2–11.9) 3.5 (2.5–4.9)
≥ 85 689 12.9 (10.4–15.4) 27.9 (24.5–31.2) 15.0 (12.3–17.6) 2.2 (1.7–2.7)
Total 2724 5.0 (4.2–5.8) 15.3 (14.0–16.7) 10.3 (9.1–11.4) 3.0 (2.5–3.7)

95% Confidence intervals are presented in the parentheses. cSDH, chronic subdural hemorrhage. RR, Relative Risk (cSDH vs. general population).