Table 3. Hazard ratios for cardiovascular diseases according to clinical vitamin D status categories.
Clinical category | 25(OH)D (nmol/L) | N cases/subco. |
Model 1
|
Model2
|
||||
---|---|---|---|---|---|---|---|---|
HR | 95% CI | P | HR | 95% CI | P | |||
Myocardial Infarction | ||||||||
Sufficiency | ≥50 | 183/802 | 1.0 | (Referent) | ||||
Mild deficiency | 25-49.9 | 315/1162 | 1.24 | (0.99-1.55) | 0.06 | 1.10 | (0.87-1.39) | 0.43 |
Moderate to severe deficiency | <25 | 61/168 | 1.81 | (1.25-2.64) | <0.01 | 1.56 | (1.08-2.25) | 0.02 |
Stroke | ||||||||
Sufficiency | ≥50 | 171/802 | 1.0 | (Referent) | ||||
Mild deficiency | 25-49.9 | 240/1162 | 0.99 | (0.79-1.24) | 0.93 | 0.95 | (0.75-1.19) | 0.65 |
Moderate to severe deficiency | <25 | 60/168 | 1.81 | (1.25-2.62) | <0.01 | 1.54 | (1.05-2.27) | 0.03 |
CVD (composite) | ||||||||
Sufficiency | ≥50 | 354/802 | 1.0 | (Referent) | 1.0 | (Referent) | ||
Mild deficiency | 25-49.9 | 555/1162 | 1.11 | (0.93-1.33) | 0.25 | 1.01 | (0.84-1.22) | 0.90 |
Moderate to severe deficiency | <25 | 121/168 | 1.80 | (1.33-2.45) | <0.01 | 1.53 | (1.12-2.09) | <0.01 |
Hazard ratios calculated by Cox regression analyses using Prentice weights to account for the case-cohort design;
Model 1 adjusted for BMI and sex, stratified by center and age at baseline;
Model 2 additionally adjusted for waist circumference, alcohol intake, education level, physical activity, and smoking