Table 1.
The association between vitamin D levels and risk factors for ischemic heart disease
| Categorical variables | Association with vitamin D levels according to vitamin D subcategories | Association with vitamin D levels according to vitamin D concentration | ||
|---|---|---|---|---|
| Deficiency, n (% within vitamin D subcategory) | Insufficiency, n (% within vitamin D subcategory) | Normal, n (% within vitamin D subcategory) | ||
| Gender | P-value: 0.086 | t-test according to categorical variables P-value: 0.036 | ||
| Female | 35 (26.9) | 5 (11.1) | 2 (18.2) | |
| Male | 95 (73.1) | 40 (88.9) | 9 (81.8) | |
| Percentages within males according to vitamin D subcategory (66%, 27.8% and 6.3%) | ||||
| Smoking | P-value: 0.213 | t-test according to categorical variables P-value: 0.249 | ||
| No | 54 (42.5) | 25 (56.8) | 4 (36.4) | |
| Percentages within non-smokers according to vitamin D subcategory (65.1%, 30.1% and 4.8%) | ||||
| Yes | 73 (57.5) | 19 (43.2) | 7 (63.6) | |
| Percentages within smokers according to vitamin D subcategory 173.7%, 19.2% and 7.1%) | ||||
| Hypertension | P-value: 0.258 | t-test according to categorical variables P-value: 0.013 | ||
| No | 53 (40.8) | 22 (48.9) | 7 (63.6) | |
| Percentages within non-hypertensive patients according to vitamin D subcategory (64.6%, 26.8% and 8.5%) | ||||
| Yes | 77 (59.2) | 23 (51.1) | 4 (36.4) | |
| Percentages within hypertensive patients according to vitamin D subcategory (74%, 22.1% and 3.8%) | ||||
| Diabetes mellitus | P-value: 0.730 | t-test according to categorical variables P-value: 0.114 | ||
| No | 81 (62.3) | 31 (68.9) | 7 (63.6) | |
| Percentages within non-diabetic patients according to vitamin D subcategory (68.1%, 26.1% and 5.9%) | ||||
| Yes | 49 (37.7) | 14 (31.1) | 4 (36.4) | |
| Percentages within diabetic patients according to vitamin D subcategory (73.1%, 20.9% and 6%) | ||||
| Dyslipidemia | P-value: 0.035 | t-test according to categorical variables P-value: 0.125 | ||
| No | 116 (89.2) | 33 (173.3) | 9 (81.8) | |
| Percentages within non-dyslipidemia patients according to vitamin D subcategory (73.4%, 20.9% and 5.7%) | ||||
| Yes | 14 (10.8) | 12 (26.7) | 2 (18.2) | |
| Percentages within dyslipidemia patients according to vitamin D subcategory (50%, 42.9% and 7.1%) | ||||
| Body mass index (BMI) | Bivariate Pearson correlationP-value: 0.015 (negative association) | |||
| Age (years) | Bivariate Pearson correlation P-value: 0.25 | |||