Table 6.

Binary Logistic Regression Analysis for Factors Predictive of COVID-19 Severity

Variables	B	SE	p-value	95% CI
Age	0.071	0.028	0.11	1.01	1.13
Sex	0.56	0.55	0.315	0.58	5.2
BMI	− 0.14	0.099	0.138	0.71	1.04
Smoking	− 0.27	0.52	0.6	0.26	2.1
Co-morbidities
Diabetes mellitus	1.6	0.74	0.032	1.14	21.5
Hypertension	1.18	0.7	0.093	0.82	12.9
Ischemic heart disease	− 20.5	40,192	1.0	0.0	—
Fever	1.03	0.85	0.230	0.52	15.04
Cough	0.24	0.49	0.621	0.48	3.37
Dyspnea	1.6	0.56	0.004	1.64	15.2
Sore throat	0.96	0.53	0.069	0.92	7.4
Malaise	0.69	0.53	0.196	0.7	5.7
Diarrhea	− 21.04	40,192	1.0	0.0	—
Headache	0.56	0.55	0.315	0.58	5.2
Hemoglobin (g/dL)	− 0.102	0.231	0.66	0.57	1.4
WBC (x103 mm−3)	− 0.130	0.136	0.338	0.67	1.14
Lymphocytic count (x103 mm−3)	− 0.002	0.001	0.014	0.99	1.0
CRP (mg/dL)	0.085	0.022	< 0.001	1.04	1.13
ESR (mm/h)	0.056	0.014	< 0.001	1.03	1.08
Ferritin (ng/mL)	0.023	0.005	< 0.001	1.01	1.03
Serum creatinine (mg/dL)	2.09	1.47	0.156	0.44	148.03
Albumin (g/dL)	− 9.9	1.89	< 0.001	0.0	0.002
ALT (IU/L)	0.159	0.045	< 0.001	1.07	1.28
AST (IU/L)	0.75	0.2	< 0.001	1.42	31.9
CT Chest findings	4.9	0.94	< 0.001	0.001	0.04

Abbreviations: COVID-19, coronavirus disease-2019; B, regression coefficient; SE, standard error; CI, confidence interval; BMI, body mass index; WBC, white blood cell count; CRP, C-reactive protein; ESR, erythrocyte sedimentation rate; ALT, alanine aminotransferase; AST, aspartate aminotransferase; CT, computed tomography.