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Table 3 Incidence and dementia risk for HTN patients with and without TCM in the stratification of sex and age

From: Association of traditional Chinese medicine therapy and the risk of dementia in patients with hypertension: a nationwide population-based cohort study

Variables Non-TCM users TCM users Crude HR (95% CI) Adjusted HR
(95% CI)
Case PYs Incidence Case PYs Incidence
Female
  ≤ 50 yr 148 81,138.18 1.82 111 79,715.46 1.39 0.77
(0.60–0.98)
0.76a
(0.59-0.97)
  > 50 yr 4949 320,644.53 15.43 2104 188,214.45 11.18 0.73
(0.70–0.77)
0.70a
(0.67-0.75)
 All 5097 401,782.71 12.69 2215 267,926.61 8.27 0.66
(0.63–0.69)
0.71b
(0.68-0.74)
Male
  ≤ 50 yr 307 139,732.62 2.20 107 65,359.01 1.64 0.75
(0.59–0.93)
0.72a
(0.57-0.89)
  > 50 yr 4912 351,444.93 13.98 1611 134,211.63 12.00 0.85
(0.81–0.91)
0.87a
(0.83-0.92)
 All 5219 491,177.56 10.63 1718 199,570.64 8.61 0.81
(0.77–0.86)
0.84b
(0.81-0.91)
  1. TCM Traditional Chinese Medicine, PYs person-years, HR hazard ratio, CI confidence interval
  2. aModel adjusted for urbanization level, monthly income, and CCI scores
  3. bModel adjusted for age, urbanization level, monthly income, and CCI scores