Table 1.
Patients’ characteristics of Vitamin C and control groups
| Characteristics | Control group (n=126) | Vitamin C group (n=126) | P |
|---|---|---|---|
| Age (years) | 57.18±10.4 | 58.64±10.41 | 0.26* |
| Sex (male) n (%) | 104 (82.5) | 97 (76.9) | 0.27** |
| Presence of cardiovascular risk factors | |||
| Diabetes mellitus, n (%) | 42 (33.33) | 50 (39.68) | 0.29** |
| Hypertension, n (%) | 52 (41.26) | 56 (44.44) | 0.61** |
| Smoking, n (%) | 50 (39.68) | 53 (42.06) | 0.70** |
| Hyperlipidemia, n (%) | 21 (16.66) | 29 (23.01) | 0.20** |
| Family history, n (%) | 24 (19) | 13 (10.3) | 0.05** |
| Ischemic heart disease, n (%) | 5 (3.96) | 15 (11.90) | 0.02** |
| Volume of infused contrast media (ml) | 228±69 | 227±63 | 0.52* |
| Types of iodine-based contrast media | |||
| Ultravist, n (%) | 6 (4.76) | 6 (4.76) | 1** |
| Visipaque, n (%) | 120 (95.23) | 120 (95.23) | |
| Ejection fraction (%) | 41.37±7.77 | 43.00±6.83 | 0.09* |
| Serum creatinine (mg/dL) | 0.93±0.2 | 0.94±0.23 | 0.63* |
| Number of diseased vessels (n) | |||
| One vessel | 58 | 43 | 0.13** |
| Two vessels | 45 | 50 | |
| Three vessels | 23 | 33 |
*Resulted from twoindependent samples t-test, **Resulted from Chi-square test. Data presented as mean±SD, or n and percent of the patients. SD=Standard deviation