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Table 2 CPH model for modeling the survival of prediabetic patients due to 60-month follow-up in the Fasa Persian cohort study (final model)

From: Factors affecting the survival of prediabetic patients: comparison of Cox proportional hazards model and random survival forest method

Variable

Unadjusted Cox regression

Adjusted Cox regression

PH assumption p-values

HR (95% CI)

P-value

HR (95% CI)

P-value

Single

Global

age

0.99( 0.97, 1.01)

0.495

Not included

-

 

0.235

Sex

     

Male

female

Reference

0.92( 0.61, 1.38)

-

0.702

Not included

-

 

Wrist Circumference

1.21(1.05, 1.38)

0.005

1.06(0 0.89, 1.25)

0.493

0.423

Waist Circumference

1.03(1.02, 1.05)

< 0.001

1.02 (1.01, 1.04)

0.001

0.398

NAFLD positive

2.18 (1.36, 3.49)

0.001

1.74 (1.06, 2.85)

0.028

0.799

FBS

1.009(1.005, 0.012)

< 0.001

1.008(1.005, 1.012)

< 0.001

0.056

BMI

1.06(1.03, 1.10)

< 0.001

0.98(0 0.90, 1.07)

0.700

 

Depression

     

No

yes

Reference

1.78( 0.89, 3.53)

-

0.100

Reference

1.950(0.97, 3.90)

-

0.059

0.375

AIC

1213.95

Overall

Concordance index

0.715 (SE = 0.025)

  1. NAFLD: Nonalcoholic fatty liver diseases; FBS: Fasting blood sugar; SE: Standard error; HR: Hazard ratio; CI: confidence interval; PH: proportional hazard; AIC: Akaike information criteria,
  2. P-values < 0.05 is considered significant