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Table 1 Demographic data and selected comorbidities of the study subjects

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 P-value
n = 91,017 (%) n = 52,365 (%)
Age (yr)    <0.001
 ≤50 22,971 (25.2) 16,461(31.4)  
 >50 68,046 (74.8) 35,904 (68.6)  
Mean (SD) 59.74 (13.6) 57.19 (12.4) <0.001
Gender    <0.001
 Female 40,794 (44.8) 29,597(56.5)  
 Male 50,223(55.2) 22,768 (43.5)  
Monthly income    <0.001
 Low 39,976(43.9) 21,506 (41.1)  
 Median 46,352 (50.9) 28,123 (53.7)  
 High 4689 (5.2) 2736 (5.2)  
Residential area    <0.001
 Urban 49,720(54.6) 29,629 (56.6)  
 Suburban 14,209(15.6) 8426 (16.1)  
 Rural 27,088(29.8) 14,310 (27.3)  
Tobacco use    0.002
 Yes 352 (0.4) 150 (0.3)  
 No 90,665 (99.6) 52,215 (99.7)  
CCI    <0.001
 Mean (SD) 3.50 (4.42) 4.23 (7.03)  
  1. TCM Traditional Chinese Medicine, SD, standard deviation; CCI Charlson-Deyo comorbidity index