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. 2016 Feb 2;13(2):e1001954. doi: 10.1371/journal.pmed.1001954

Table 2. Incidence and odds ratios of injurious fall and hip fracture in cohort I.

Event Time Interval Individuals at Risk at Beginning of Interval Events within Interval p-Value Adjusted OR (95% CI) according to PD p-Value
PD Control PD Control
Any injurious fall
≥15 y prior to index 18,175 180,993 266 (1.5%) 2,851 (1.6%) 0.248 0.91 (0.80–1.04) 0.174
10 to <15 y prior to index 19,999 199,233 347 (1.7%) 3,562 (1.8%) 0.591 0.94 (0.84–1.06) 0.304
7 to <10 y prior to index 21,691 216,153 506 (2.3%) 4,205 (2.0%) <0.001 1.19 (1.08–1.31) <0.001
5 to <7 y prior to index 22,752 226,763 564 (2.5%) 4,339 (1.9%) <0.001 1.25 (1.14–1.37) <0.001
4 to <5 y prior to index 23,217 231,413 409 (1.8%) 2,791 (1.2%) <0.001 1.40 (1.26–1.56) <0.001
3 to <4 y prior to index 23,594 235,183 533 (2.3%) 3,297 (1.4%) <0.001 1.54 (1.40–1.70) <0.001
2 to <3 y prior to index 23,979 239,033 645 (2.7%) 3,917 (1.6%) <0.001 1.61 (1.47–1.76) <0.001
1 to <2 y prior to index 24,409 243,333 773 (3.2%) 4,463 (1.8%) <0.001 1.69 (1.56–1.83) <0.001
3 to <12 mo prior to index 24,412 243,363 763 (3.1%) 3,873 (1.6%) <0.001 1.94 (1.79–2.11) <0.001
<3 mo prior to index 24,412 243,363 816 (3.3%) 1,503 (0.6%) <0.001 5.83 (5.30–6.42) <0.001
Hip fracture
≥15 y prior to index 18,175 180,993 100 (0.6%) 732 (0.4%) 0.004 1.36 (1.10–1.69) 0.004
10 to <15 y prior to index 19,999 199,233 161 (0.8%) 1,159 (0.6%) <0.001 1.37 (1.15–1.63) <0.001
7 to <10 y prior to index 21,691 216,153 226 (1.0%) 1,273 (0.6%) <0.001 1.83 (1.58–2.12) <0.001
5 to <7 y prior to index 22,752 226,763 231 (1.0%) 1,328 (0.6%) <0.001 1.72 (1.49–1.99) <0.001
4 to <5 y prior to index 23,217 231,413 167 (0.7%) 930 (0.4%) <0.001 1.78 (1.50–2.11) <0.001
3 to <4 y prior to index 23,594 235,183 219 (0.9%) 1,051 (0.5%) <0.001 2.01 (1.73–2.35) <0.001
2 to <3 y prior to index 23,979 239,033 278 (1.2%) 1,271 (0.5%) <0.001 2.20 (1.92–2.52) <0.001
1 to <2 y prior to index 24,409 243,333 313 (1.3%) 1,476 (0.6%) <0.001 2.11 (1.85–2.40) <0.001
3 to <12 mo prior to index 24,412 243,363 287 (1.2%) 1,339 (0.6%) <0.001 2.15 (1.88–2.45) <0.001
<3 mo prior to index 24,412 243,363 393 (1.6%) 529 (0.2%) <0.001 7.49 (6.52–8.61) <0.001

ORs for injurious falls and for hip fractures in cohort I for individuals with PD compared to controls, investigated by conditional logistic regression model adjusted for education level and comorbid diagnoses (dementia, stroke, myocardial infarction, diabetes mellitus, depression, alcohol dependency or abuse, drug dependency or abuse).