Table 3.
Correlation analysis.
| Features | Correlation coefficient | P-value | Significance level | |
|---|---|---|---|---|
| Kendall correlation coefficient | Sex | −0.031 | 0.754 | |
| Hypertension classification | −0.011 | 0.722 | ||
| Chronic kidney diseases | 0.123 | 0.200 | ||
| Cardiac functional grading | 0.107 | 0.052 | ||
| Diabetes | −0.124 | 0.875 | ||
| AIDS | – | – | ||
| Cancer | 0.091 | 0.072 | ||
| History of lung disease | 0.137 | 0.011 | <0.05 | |
| Solitary patchy foci | −0.058 | 0.141 | ||
| Multiple patchy foci | −0.032 | 0.717 | ||
| Solitary ground-glass opacity | 0.076 | 0.954 | ||
| Multiple ground-glass opacity | 0.033 | 0.231 | ||
| Solitary interstitial change | 0.064 | 0.132 | ||
| Diffuse interstitial change | 0.026 | 0.223 | ||
| Solitary pulmonary consolidation | −0.040 | 0.852 | ||
| Multiple pulmonary consolidations | 0.160 | 0.162 | ||
| Solitary infiltrate | −0.136 | 0.149 | ||
| Multiple infiltrates | −0.136 | 0.472 | ||
| Pearson correlation coefficient | Age | 0.266 | 0.007 | <0.05 |
| WBC | 0.145 | 0.153 | ||
| RBC | −0.111 | 0.272 | ||
| Hb | −0.231 | 0.021 | <0.05 | |
| TP | −0.075 | 0.459 | ||
| ALB | −0.771 | 0.000 | <0.05 | |
| GLB | 0.661 | 0.000 | <0.05 | |
| CREA | 0.069 | 0.497 | ||
| BUN | 0.714 | 0.000 | <0.05 | |
| Mycoplasma immunoglobulin M | −0.069 | 0.496 | ||
| Mycoplasma immunoglobulin G | −0.138 | 0.171 | ||
| Chlamydial immunoglobulin M | −0.107 | 0.291 | ||
| Chlamydial immunoglobulin G | −0.137 | 0.177 |
AIDS, acquired immunodeficiency syndrome’ ALB, albumin; BUN, blood urea nitrogen; GLB, globulin; CREA, creatinine; Hb, hemoglobin; RBCs, red blood cells; TP, total protein; WBCs, white blood cells.