Skip to main content

Table 2 Incidences and hazard ratios of mental disorder for the hip fracture undergoing surgery cohort and the control cohorts

From: The incidence of mental disorder increases after hip fracture in older people: a nationwide cohort study

  Non-hip fracture Hip fracture Hazard ratio (95% confidence interval)
Event PY IR Event PY IR Crude Adjusted
Overall 35 7733 0.5 59 7262 0.8 1.71 (1.12–2.59)* 1.62 (1.05–2.49)*
Sex
 Female 26 4702 0.6 41 4802 0.9 1.53 (0.94–2.51) 1.52 (0.92–2.53)
 Male 4 3031 0.1 18 2460 0.7 2.12 (0.95–4.72) 2.05 (0.90–4.67)
Age, years
 60–69 5 1006 0.5 13 936 1.4 2.44 (0.87–6.87) 2.50 (0.82–7.61)
 70–79 19 3428 0.6 25 3065 0.8 1.39 (0.77–2.53) 1.45 (0.78–2.68)
 80+ 11 3040 0.4 18 3058 0.6 1.59 (0.75–3.37) 1.62 (0.76–3.46)
Comorbidity
 HTN
  No 9 2580 0.3 13 1904 0.7 1.75 (0.75–4.11) 1.71 (0.72–4.06)
  Yes 26 5153 0.5 46 5358 0.9 1.66 (1.03–2.69)* 1.63 (0.99–2.66)
 DM
  No 17 5230 0.3 28 4357 0.6 1.88 (1.03–3.45)* 2.08 (1.12–3.84)*
  Yes 18 2503 0.7 31 2905 1.1 1.43 (0.80–2.55) 1.42 (0.77–2.61)
 Hyperlipidemia
  No 14 5345 0.3 29 5173 0.6 2.02 (1.06–3.82)* 1.84 (0.95–3.54)
  Yes 21 2388 0.9 30 2089 1.4 1.55 (0.88–2.71) 1.57 (0.88–2.81)
 CAD
  No 12 4042 0.3 23 3663 0.6 2.00 (0.99–4.02) 2.09 (1.02–4.25)*
  Yes 23 3691 0.6 36 3599 1 1.52 (0.90–2.57) 1.40 (0.82–2.39)
 CVA
  No 18 5272 0.3 25 4281 0.6 1.59 (0.87–2.93) 1.96 (1.06–3.64)*
  Yes 17 2461 0.7 34 2981 1.1 1.68 (0.93–3.00) 1.50 (0.82–2.75)
 Chronic liver disease
  No 21 5949 0.4 46 6031 0.8 2.05 (1.22–3.44)** 1.98 (1.17–3.35)*
  Yes 14 1784 0.8 13 1231 1.1 1.23 (0.58–2.63) 1.08 (0.48–2.41)
  1. Controlling for sex, age, and every comorbidity in Table 2
  2. Abbreviations: PY Person-years, IR Incidence rate (per 100 person-years), HTN Hypertension, DM Diabetes mellitus, CAD Coronary artery disease, CVA Cerebrovascular accident
  3. *P < 0.05, **P < 0.01