Risk factors and a predictive model of diabetic foot in hospitalized patients with type 2 diabetes

Table 2 The predictive model of new-onset diabetic foot over the whole follow-up period in hospitalized patients with type 2 diabetes

Variable	HR (95%CI)	P value
Diabetes duration
< 10 years	Reference	-
10-19 years	1.86 (1.05-3.28)	0.032
≥ 20 years	2.96 (1.63-5.39)	< 0.001
Albumin	0.91 (0.88-0.95)	< 0.001
FPG
4.4-6.9 mmol/L	Reference	-
< 4.4 mmol/L	3.99 (1.55-10.25)	0.004
≥ 7.0 mmol/L	3.12 (1.66-5.87)	< 0.001
Diabetic nephropathy	2.23 (1.25-3.99)	0.007
Lower extremity arterial disease	6.21 (3.44-11.24)	< 0.001

CI: Confidence interval; HR: Hazard ratio; FPG: Fasting plasma glucose.