Long-term quality-of-care score for predicting the occurrence of acute myocardial infarction in patients with type 2 diabetes mellitus

Table 3 Crude and adjusted hazard ratio associated with each predictor

Item	Crude HR (95%CI)	Adjusted HR (95%CI)
Quality-of-care score
Score ≤ 1	1	1
1 < Score < 5	0.69 (0.55-0.88)	0.71 (0.55-0.90)
Score ≥ 5	0.36 (0.20-0.63)	0.37 (0.21-0.66)
Age
≤ 40	1	1
40 < Age ≤ 65	1.93 (1.12-3.32)	1.90 (1.10-3.28)
> 65	2.64 (1.51-4.62)	2.48 (1.39-4.40)
Sex
Male	1	1
Female	0.57 (0.45-0.73)	0.53 (0.42-0.67)
Anti-diabetic drugs
Oral only	1	1
Insulin only	0.80 (0.60-1.07)	0.78 (0.59-1.05)
Oral + insulin	0.70 (0.49-1.01)	0.77 (0.54-1.11)
Adherence to medication (%)
< 90	0.89 (0.69-1.15)	0.79 (0.61-1.02)
90 ≤ adherence < 110	1	1
≥ 110	0.71 (0.37-1.37)	0.66 (0.34-1.28)
Comorbidity (DCSI)
0	1	1
1	1.13 (0.83-1.54)	0.95 (0.69-1.31)
2	1.31 (0.94-1.81)	1.02 (0.72-1.43)
3	1.27 (0.69-2.33)	0.96 (0.52-1.80)
4	1.56 (0.73-3.31)	1.07 (0.49-2.31)
≥ 5	1.04 (0.15-7.43)	0.66 (0.09-4.77)
Hypertension/dyslipidemia
None	1	1
Hypertension only	1.38 (1.07-1.78)	1.30 (0.99-1.71)
Dyslipidemia only	1.19 (0.64-2.18)	1.17 (0.64-2.17)
Both	1.89 (1.27-2.79)	1.82 (1.20-2.75)

HR: Hazard ratio; 95%CI: 95% confidence interval; DCSI: Diabetes complications severity index.