Table 3 Univariate logistic regression analysis of clinical and laboratory features against mortality
Variables | Alive N = 101 | Died N = 5 | p | OR (95% CI)a |
|---|---|---|---|---|
Clinical features | ||||
 Age (years, mean ± SD) | 65.1 ± 12.0 | 77.0 ± 4.8 | 0.034 | 1.12 (1.02, 1.26) |
 Male sex (N, %) | 49 (48.5%) | 1 (20.0%) | 0.200 | 0.27 (0.013, 1.87) |
 Fever at presentation (N, %) | 27(26.7%) | 3 (60.0%) | 0.130 | 4.11 (0.65, 32.5) |
 No. of vaccinations (mean ± SD) | 2.5 ± 1.2 | 0.6 ± 1.2 | 0.009 | 0.36 (0.13, 0.71) |
 No. of comorbidities (mean ± SD) | 1.2 ± 0.8 | 2.6 ± 0.8 | 0.004 | 5.75 (1.97, 24.4) |
 Hypertensionc (N, %) | 84 (83.2%) | 1 (20.0%) | 0.009 | 0.05(0.00, 0.37) |
 Diabetes mellitus (N, %) | 81 (80.2%) | 3 (60.0%) | 0.300 | 0.37 (0.06, 2.95) |
 Cardiovascular diseases (N, %) | 14 (13.9%) | 4 (80.0%) | 0.005 | 24.9 (3.38, 50.6) |
 Psychosis (N, %) | 6 (5.9%) | 1 (20%) | 0.200 | 3.96 (0.187, 32.7) |
 Severe obesityb (N, %) | 6 (5.9%) | 0 (0%) | 0.85f | 1.34(6.64, 26.9)f |
Laboratory features (mean ± SD) | ||||
 Calcium (mg/dL) | 9.0 ± 1.0 | 8.1 ± 0.6 | 0.058 | 0.41 (0.14, 1.01) |
 Albumin (mg/dL) | 3.4 ± 0.3 | 3.0 ± 0.2 | 0.028 | 0.07 (0.00, 0.737) |
 C-reactive protein (mg/dL) | 2.0 ± 1.8 | 3.5 ± 1.9 | 0.088 | 1.42 (0.93, 2.14) |
 Presepsin (pg/mL) | 2,633 ± 2,211 | 4,492 ± 3,356 | 0.110 | 1.00 (1.00, 1.00) |
 Procalcitonin (μg/L) | 0.8 ± 1.2 | 1.3 ± 0.8 | 0.400 | 1.25 (0.62, 1.9) |
 D dimer (μg/mL) | 1.3 ± 2.1 | 1.9 ± 0.9 | 0.500 | 1.09 (0.67, 1.37) |
 Aspartate transaminase (μ/L) | 19.5 ± 8.3 | 47.4 ± 29.9 | 0.005 | 1.09 (1.04, 1.19) |
 Alanine transaminase (μ/L) | 18.1 ± 8.3 | 20.0 ± 7.8 | 0.600 | 1.02 (0.91, 1.12) |
 Lactatedehydrogenase (μ/L) | 346.7 ± 95.4 | 633.6 ± 278.5 | 0.006 | 1.01 (1.00, 1.02) |
 Brain natriuretic Peptide (pg/ml) | 12,161 ± 11,967 | 28,706 ± 13,596 | 0.019 | 1.00 (1.00, 1.00) |
 Hemoglobin (mg/dl) | 10.4 ± 1.1 | 11.1 ± 1.1 | 0.140 | 1.83 (0.82, 4.22) |
 Red cell distribution width (%) | 14.3 ± 1.8 | 17.7 ± 2.7 | 0.003 | 1.99 (1.32, 3.38) |
 Total lymphocyte count (/mm3) | 1,151.2 ± 523.3 | 1041.5 ± 327.5 | 0.700 | 1.00 (1.00, 1.00) |
 Total platelet count (103/mm3) | 163.4 ± 54.8 | 143.2 ± 47.7 | 0.400 | 1.00 (097, 1.01) |
 Plateletcrit (%) | 0.2 ± 0.1 | 0.1 ± 0.1 | 0.400 | 0.00 (0.00,10,200) |
 Platelet distribution width (%) | 10.7 ± 2.0 | 11.6 ± 1.1 | 0.300 | 1.22 (0.08, 1.77) |
 Neutrophil lymphocyte ratio | 5.6 ± 3.1 | 5.1 ± 1.4 | 0.700 | 0.91 (0.50, 1.20) |
 Leukocyte glucose indexd | 931.5 ± 641.2 | 631.8 ± 272.6 | 0.300 | 1.00 (1.00, 1.00) |
 CT scoree(mean ± SD) | 1.1 ± 2.6 | 1.6 ± 1.5 | 0.600 | 1.07 (0.713, 1.38) |