Table 4. Pearson analysis for correlation between variables in CAD patients .
| TIMP1 gene expression | MMP-9 Levels | MMP-9 gene expression | |
| TIMP-1 gene expression | 1 | r = 0.223* | r = 0.370** |
| MMP-9 Levels | r = 0.223* | 1 | r = 0.394** |
| MMP-9 gene expression | r = 0.370** | r = 0.394** | 1 |
| Age (years) | r = -0.231* | r = 0.032 | r = -0.039 |
| Gender (F/M) | r = -0.170 | r = 0.052 | r = -0.022 |
| BMI (Kg/hight2) | r = -0.032 | r = -0.030 | r = 0.057 |
| SBP (mmHg) | r = -0.024 | r = 0.151 | r = -0.026 |
| DBP (mm Hg) | r = -0.159 | r = 0.233* | r = -0.133 |
| FBS (mg/dl) | r = -0.165 | r = -0.153 | r = -0.122 |
| TG (mg/dl) | r = -0.095 | r = 0.095 | r = -0.007 |
| TC (mg/dl) | r = 0.056 | r = 0.184 | r = -0.047 |
| LDL-C(mg/dl) | r = 0.068 | r = 0.258* | r = -0.012 |
| HDL-C (mg/dl) | r = -0.067 | r = -0.061 | r = -0.070 |
| Vitamin D (ng/ml) | r = 0.098 | r = -0.058 | r = 0.056 |
| TNF-α ( pg/ml) | r = -0.176 | r = 0.408** | r = -0.056 |
| IL-6 ( pg /ml ) | r = ‒ 0.334** | r = 0.300** | r = -0.182 |
| Zn2+ (( µg/dl ) | r = 0.123 | r = -0.126 | r = 0.108 |
| Ca2+ (mg/dl) | r = -0.044 | r = -0.088 | r = 0.025 |
MMP9 = Metalloproteinase-9, TIMP-1 = Tissue inhibitor Metalloproteinase 1, SBP = Systolic blood pressure, DBP = Diastolic blood pressure
*the Pearson correlation analysis value “Correlation coefficient r” was used in bold that indicated the significance of analysis*) P Value < 0.01, ** P Value < 0.001
P<0.05 is statistically significant.