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Table 2 Risk of dementia for HTN subjects with and without TCM

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

Patient group Event PYs Incidence Crude HR (95% CI) Adjusted HRa (95% CI)
Non-TCM users 10,316 892,960.27 11.55 1 1
TCM users 3933 467,500.55 8.41 0.73(0.71–0.76) 0.76 (0.74–0.81)
TCM use within
30–180 days
2706 289,829.43 9.34 0.82 (0.78–0.85) 0.86 (0.82–0.90)
TCM use for more than 180 days 1277 177,671.13 6.91 0.60 (0.57–0.64) 0.65 (0.62–0.69)
  1. TCM Traditional Chinese Medicine, PYs per 1000 person-years, HR hazard ratio, CI confidence interval
  2. aModel adjusted for age, gender, urbanization level, monthly income, and CCI scores