Table 4 Hazard ratios and 95% confidence intervals of PAD in patients with and without DM with respect to degree of CAD along with individual covariates

 No-CAD (reference)

1.0

NA

NA

 Single-vessel disease

1.15

1.03–1.29

0.013

 Double-vessel disease

1.37

1.18–1.58

< 0.001

 Triple-vessel disease

1.82

1.61–2.05

< 0.001

 Diffuse-vessel disease

1.33

1.16–1.52

< 0.001

 No-CAD

1.70

1.55–1.86

< 0.001

 Single-vessel disease

1.96

1.67–2.31

< 0.001

 Double-vessel disease

2.35

1.96–2.82

< 0.001

 Triple-vessel disease

2.87

2.50–3.30

< 0.001

 Diffuse-vessel disease

1.46

1.17–1.84

< 0.001