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Table 3 Crude and adjusted hazard ratios of Cox proportional hazard regressions and 95 % confidence interval for chronic kidney disease in males during the follow-up period

From: Association between chronic kidney disease and the most common corneal ectasia disease (keratoconus): a nationwide cohort study

Cohort Crude Hazard Ratio
(95 % CI)
Adjusted Hazard Ratio
(95 % CI)
Keratoconus
 Yes 1.92 (1.27 − 2.92)* 1.75 (1.14 − 2.68)*
 No 1.00 1.00
Age (years)
 12 − 19 1.00 1.00
 20 − 29 2.71 (1.18 − 6.22)* 2.67 (1.16 − 6.12)*
 30 − 39 5.46 (2.26 − 13.17)* 5.15 (2.13 − 12.44)*
 ≥ 40 36.92 (16.96 − 80.40)* 19.83 (8.75 − 44.97)*
Comorbidity
 Hypertension
  Yes 24.01 (16.40 − 35.16)* 4.36 (2.59 − 7.32)*
  No 1.00 1.00
 Hyperlipidaemia
  Yes 10.65 (5.98 − 18.96)* 1.15 (0.61 − 2.19)
  No 1.00 1.00
 Diabetes mellitus
  Yes 23.20 (14.20 − 37.92)* 1.65 (0.90 − 3.00)
  No 1.00 1.00
  1. Note: The adjusted hazard ratio for developing chronic kidney disease in males was calculated using the Cox proportional hazard regression analysis
  2. Abbreviation: CI confidence interval
  3. *p < 0.05