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Table 4 Subgroup analysis

From: Serum LDL-C/HDL-C ratio and the risk of carotid plaques: a longitudinal study

Variables

Model 1

HR(95% CI)

Model 2

 HR(95% CI)

Model 3

HR(95% CI)

P for interaction

Gender

   

0.021

  Female

1.43(1.25, 1.62)

1.42(1.24, 1.62)

1.40(1.21, 1.62)

 

  Male

1.07(0.90, 1.27)

1.12(0.94, 1.33)

1.13(0.95, 1.36)

 

Age (years)

   

0.928

  < 60

1.32(1.16, 1.49)

1.28(1.12, 1.47)

1.28(1.11, 1.47)

 

  ≥ 60

1.26(0.95, 1.68)

1.24(0.92, 1.66)

1.26(0.93, 1.72)

 

Hypertension

   

0.075

  No

1.35(1.19, 1.53)

1.32(1.16, 1.52)

1.30(1.13, 1.50)

 

  Yes

1.01(0.79, 1.29)

1.04(0.81, 1.34)

1.03(0.80, 1.33)

 

Diabetes

   

0.900

  No

1.31(1.16, 1.47)

1.28(1.13, 1.46)

1.27(1.11, 1.45)

 

  Yes

0.86(0.59, 1.26)

0.96(0.65, 1.42)

0.98(0.66, 1.46)

 
  1. Model 1, crude model. Model 2 adjusted for sex and age. Model 3 was further adjusted for hypertension, diabetes, and smoking status based on Model 2
  2. P for interaction based on Model 3
  3. Abbreviation:HR hazard ratio, CI confidence interval