Table 2 Results of the multivariate Cox-PH regression analysis for construction of two nomogram models.

From: Derivation and validation of a nomogram incorporating modifiable lifestyle factors to predict development of colorectal adenomas after negative index colonoscopy

Variables

Nomogram model-1

Nomogram model-2

HRa (95% CI)

p-Value

VIF

HRb (95% CI)

p-Value

VIF

Age

1.141 (1.078–1.207)

< 0.0001

1.106

1.108 (1.053–1.166)

< 0.0001

1.000

BMI

1.128 (1.029–1.237)

0.010

1.008

1.141 (1.040–1.251)

0.005

1.000

Physical activity

 

0.029

  

 

Physical inactivity

Reference

 

Reference

 

Regular activity

0.547 (0.317–0.942)

 

1.062

 

Family history of CRC in FDR

 

0.016

  

 

No

Reference

 

Reference

 

Yes

2.825 (1.214–6.572)

 

1.060

 

  1. aHRs were adjusted for baseline age, BMI, physical activity and family history of CRC in FDR.
  2. bHRs were adjusted for baseline age and BMI.
  3. Cox-PH Cox proportional hazards, HR hazard ratio, CI confidence interval, VIF variance inflation factor.