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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