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Table 1 Demographics and Comorbidities of the Kidney Stones Cohort and the Control Cohort

From: Risk of chronic kidney disease in patients with kidney stones—a nationwide cohort study

Variables Stones cohort (n, %)
(N = 4197)
Control cohort (n, %)
(N = 16,788)
p-value
Gender
 Male 2762 11,048  
 Female 1435 5740  
Mean age 46.51 ± 14.69 46.51 ± 14.69  
Age stratified
  ≤ 30 573 (13.7) 2292 (13.7)  
 31–45 1537 (36.6) 6152 (36.6)  
 46–60 1292 (30.8) 5168 (30.8)  
  > 60 794 (18.9) 3176 (18.9)  
Hypertension
 Yes 634 (15.1) 1890 (11.3) <.001
 No 3563 (84.9) 14,898 (88.7)  
Diabetes
 Yes 225 (5.4) 802 (4.8) .117
 No 3972 (94.6) 15,986(95.2)  
Hyperlipidemia
 Yes 211 (5) 623 (3.7) <.001
 No 3986 (95) 16,165 (96.3)  
CVD
 Yes 318 (7.6) 995 (5.9) <.001
 No 3879(3879) 15,793 (94.1)  
  1. Chi-square test (X [2])
  2. CVD Cardiovascular disease