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Table 3 Comorbidities in community-dwelling older people hospitalised for fall-related hip fracture by data source

From: Linked versus unlinked hospital discharge data on hip fractures for estimating incidence and comorbidity profiles

Comorbidity Linked data
Ref standard
Unlinked data
Base case
Unlinked data
Scenario 1
Unlinked data
Scenario 3
Unlinked data
Scenario 4
Any comorbidity 37.3 (36.3–38.2) 30.7 (29.8– 31.5) 32.0 (31.2–32.9) 31.2 (30.3– 32.1) 32.6 (31.7– 33.5)
Diabetes 5.4 (4.9–5.8) 4.4 (4.0–4.8) 4.5 (4.1–4.9) 4.5 (4.1–4.9) 4.5 (4.1–4.9)
Diabetes complications 5.3 (4.8–5.7) 4.2 (3.8 –4.6) 4.4 (4.1–4.8) 4.3 (3.9–4.7) 4.5 (4.1–4.9)
Renal disease 7.6 (7.1–8.1) 5.8 (5.4 –6.3) 6.5 (6.1–7.0) 6.0 (5.5–6.5) 6.7 (6.3–7.2)
Dementia 7.1 (6.6–7.6) 5.6 (5.2 –6.1) 5.8 (5.3–6.2) 5.8 (5.4–6.3) 6.0 (5.6–6.5)
Congestive heart failure 5.7 (5.3–6.2) 4.0 (3.6 –4.4) 4.8 (4.4–5.2) 4.1 (3.7–4.5) 4.9 (4.5–5.3)
Pulmonary disease 4.3 (3.9–4.7) 3.2 (2.9 –3.6) 3.6 (3.2–3.9) 3.3 (3.0–3.7) 3.6 (3.3–4.0)
Osteoporosis 3.9 (3.5–4.3) 4.3 (3.9 –4.7) 4.3 (3.9–4.6) 4.4 (4.0–4.8) 4.3 (3.9–4.7)
Parkinson’s disease 3.0 (2.7–3.3) 2.7 (2.5-3.1) 2.7 (2.4–3.0) 2.7 (2.4–3.0) 2.7 (2.4–3.0)
Delirium 2.6 (2.3–2.9) 1.8 (1.6–2.1) 1.9 (1.7–2.2) 1.9 (1.7–2.2) 2.0 (1.8–2.3)
Cerebral vascular accident 2.2 (1.9–2.5) 1.6 (1.4–1.9) 1.6 (1.4–1.9) 1.7 (1.4–1.9) 1.7 (1.4–1.9)
AMI 2.0 (1.7–2.2) 1.3 (1.1–1.5) 1.5 (1.3–1.7) 1.3 (1.1–1.6) 1.5 (1.3 –1.8)
Cancer 1.8 (1.6–2.1) 1.5 (1.3–1.8) 1.6 (1.4– 1.9) 1.5 (1.3–1.7) 1.6 (1.4–1.9)
Vision impairment 1.7 (1.5–2.0) 1.3 (1.1–1.5) 1.3 (1.1– 1.5) 1.3 (1.1–1.6) 1.3 (1.1– 1.5)
Deafness 1.4 (1.2–1.7) 1.0 (0.8–1.2) 1.0 (0.8– 1.2) 1.0 (0.8–1.2) 1.0 (0.9– 1.3)
Paraplegia 1.3 (1.1–1.5) 0.9 (0.8–1.1) 0.9 (0.8– 1.1) 1.0 (0.8–1.2) 1.0 (0.8–1.1)
  1. Note values are percentages (95% confidence intervals) unless stated otherwise. Results for Scenario 2 are identical or almost identical to those in the base case and hence not shown here. Prevalence <1% not presented (metastatic cancer, peripheral vascular disease, peptic ulcer, liver disease, severe liver disease, ataxia, human immunodeficiency virus and connective tissue disorder).
  2. AMI – Acute myocardial infarction.