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Table 3 Trends of Prostate Cancer Risk Stratified by Follow-Up Years

From: Sleep disorders associated with risk of prostate cancer: a population-based cohort study

  Sleep disorder   
Yes No   
Follow-up time, years Event PY Rate# Event PY Rate# Crude HR (95% CI) Adjusted HR
(95% CI)
≤1 42 41,067 10.2 17 41,066 4.14 2.47(1.41, 4.34)** 2.46(1.40, 4.33)**
2–3 58 79,920 7.26 42 79,951 5.25 1.38(0.93, 2.06) 1.37(0.92, 2.03)
4–5 65 72,438 8.97 52 72,465 7.18 1.25(0.87, 1.80) 1.20(0.83, 1.73)
> 5 162 148,765 10.9 111 155,578 7.13 1.54(1.21, 1.96)*** 1.36(1.07, 1.73)***
  1. Rate#, incidence rate per 10,000 person-years; Crude HR, relative hazard ratio
  2. Adjusted HR: multivariable analysis with adjustment for age; occupation category; urbanization level; comorbidities of hyperlipidemia, diabetes, hypertension, urinary stones, urinary tract infection, obesity, anxiety, depression, chronic obstructive pulmonary disease, and alcohol-related illness,; and medication of hypnotics as well as antihypertensive medication, and PSA screening
  3. *P < .05, **P < .01