Table 3.
Univariate and multivariate logistic regression for the evaluation of risk factors associated with high chest x-ray severity score (≥ 8)
| Univariate | Multivariate | |||
|---|---|---|---|---|
| RR (CI 95%) | p-value | RR (CI 95%) | p-value | |
| Age | 1.01 (0.99–1.02) | 0.234 | 1.00 (0.99–1.01) | 0.849 |
| Race | ||||
| Caucasian vs Non-Caucasian | 0.79 (0.55–1.16) | 0.235 | – | |
| Gender | ||||
| Male vs Female | 1.35 (0.97–1.90) | 0.072 | 1.35 (0.97–1.87) | 0.078 |
| Smoke | 0.95 (0.62–1.46) | 0.805 | – | |
| Comorbidities | ||||
| Abdominal obesity | 1.68 (1.24–2.28) | < 0.001 | 1.75 (1.25–2.45) | 0.001 |
| BMI-based Obesity | 1.28 (0.96–1.71) | 0.088 | 1.02 (0.74–1.39) | 0.915 |
| Hypertension | 1.35 (0.99–1.83) | 0.055 | 1.17 (0.84–1.65) | 0.355 |
| Diabetes Mellitus | 1.24 (0.88–1.75) | 0.227 | – | |
| Ischemic cardiopathy | 1.03 (0.61–1.72) | 0.924 | – | |
| Chronic heart failure | 1.23 (0.59–2.57) | 0.571 | – | |
| Atrial fibrillation | 0.94 (0.51–1.73) | 0.843 | – | |
| Chronic Obstructive Pulmonary Disease | 0.81 (0.38–1.77) | 0.604 | – | |
| Bronchial asthma | 1.65 (1.04–2.62) | 0.035 | 1.73 (1.07–2.81) | 0.026 |
| Chronic Kidney Failure | 0.76 (0.31–1.88) | 0.551 | – | |
| IL-6 (pg/ml) | 1.03 (1.01–1.05) | 0.002 | 1.00 (0.99–1.03) | 0.313 |
| SpO2 at admission | 0.96 (0.94–0.97) | < 0.001 | 0.96 (0.94–0.97) | < 0.001 |
Abdominal obesity (waist circumference ≥ 102 cm for males, ≥ 88 cm for females); Normal weight (BMI from 18.5 to < 25 kg/m2); Overweight (BMI from 25 to < 30 kg/m2); BMI-based obesity (BMI ≥ 30 kg/m2); Interleukin 6 (IL-6); Oxygen saturation at admission (SpO2); Risk ratio (RR); Confidence Interval (CI)