Non-high-density lipoprotein cholesterol/high-density lipoprotein cholesterol is a predictor for cardiovascular mortality in patients with diabetes mellitus

Table 3 Subgroup analyses on non-high-density lipoprotein cholesterol/high-density lipoprotein cholesterol ratio and cardiovascular mortality, hazard ratio (95% confidence intervals)

Cardiovascular mortality1	n	Q1	Q2	Q3	Q4	Per SD	P value for interaction
Gender
Male	4365	Reference	0.84 (0.61-1.14)	1.18 (0.89-1.57)	1.19 (0.88-1.59)	1.12 (1.01-1.25)	0.58
Female	4060	Reference	1.18 (0.85-1.63)	1.13 (0.80-1.59)	1.40 (0.99-1.97)	1.09 (0.95-1.24)
Age, years
≥ 60	5161	Reference	1.04 (0.83-1.32)	1.23 (0.97-1.54)	1.31 (1.04-1.67)	1.15 (1.04-1.26)	0.99
< 60	3264	Reference	1.03 (0.46-2.31)	1.46 (0.71-3.03)	1.89 (0.94-3.78)	1.10 (0.96-1.26)
Body mass index
≥ 30 kg/m2	4738	Reference	1.08 (0.79-1.48)	1.19 (0.87-1.63)	1.35 (0.98-1.85)	1.13 (1.02-1.26)	0.64
< 30 kg/m2	3687	Reference	0.93 (0.67-1.28)	1.30 (0.96-1.67)	1.44 (1.06-1.96)	1.16 (1.03-1.31)
Duration of diabetes
≥ 10 years	2865	Reference	1.06 (0.77-1.45)	1.17 (0.85-1.61)	1.60 (1.15-2.22)	1.26 (1.11-1.42)	0.04
< 10 years	5560	Reference	1.00 (0.72-1.37)	1.35 (1.00-1.82)	1.37 (1.01-1.86)	1.11 (1.00-1.24)

¹All adjusted for age, ethnicities, education levels, poverty-income ratio, history of heart failure.