Table 4.
Pearson′s correlation between serum MMP-9/BDNF ratio and biochemical parameters in COVID-19 patients related to disease severity I (mild), II (moderate), III (severe), and IV (critical)
| MMP-9/BDNF ratio to | I (mild) | II (moderate) | III (severe) | IV (critical) |
|---|---|---|---|---|
| Rho (ρ) | Rho (ρ) | Rho (ρ) | Rho (ρ) | |
| White blood cell count | -0.042 | 0.157 | 0.006 | 0.203 |
| Neutrophil count % | -0.072 | 0.213 | -0.119 | 0.252 |
| Lymphocyte count % | 0.043 | -0.317 | 0.090 | 0.028 |
| Monocyte count % | 0.074 | 0.152 | 0.122 | -0.302 |
| CRP | -0.003 | 0.160 | 0.095 | 0.283 |
| D-dimer | -0.054 | 0.115 | 0.234 | 0.204 |
| PCT | -0.047 | -0.538 | -0.219 | 0.374 |
| CK | -0.016 | 0.105 | -0.204 | -0.238 |
| LDH | -0.117 | -0.335 | -0.030 | -0.283 |
| Ferritin | -0.163 | -0.251 | 0.184 | -0.244 |
| IL-6 | 0.159 | 0.413 | 0.280 | -0.091 |
| IL10 / IL6 | -0.128 | -0.431 | 0.033 | -0.324 |
| IL10 / IL17 | -0.087 | -0.569* | -0.101 | -0.349 |
| VEGF | 0.062 | 0.504 | -0.340 | 0.029 |
| MMP-8 | 0.818*** | 0.944*** | 0.433 | 0.865*** |