Table 4.

Variable removed in each step

Step	Variable removed	Wald value	P value
1	Duration of diabetes	0.22	0.64
2	Age	0.21	0.65
3	LABI	0.29	0.59
4	HDL	0.64	0.43
5	Cr	0.40	0.53
6	LDL	1.71	0.19
7	VPT	1.68	0.20

All the abbreviations are the same as those shown in Table 1