Research Article
Clinical Characteristics and Predictors of Mortality in Elderly Patients Hospitalized with COVID-19 in Bangladesh: A Multicenter, Retrospective Study
Table 2
Radiology and laboratory findings (median (IQR)/number (%)).
| Variables | Normal range | Total, n = 245 | Survivor, n = 202 | Nonsurvivor, n = 43 | value |
| TC WBC (× 109/L) | 4–10 | 8.2 (6–12) | 7.79 (6–11.07) | 10.2 (6.85–14.32) | 0.002 | >10 | | 84 (34.3%) | 62 (30.7%) | 22 (51.2%) | 0.017 | <4 | | 8 (3.3%) | 8 (4%) | 0 (0%) | 0.393 | Neutrophil (× 109/L) | 2.0–7.0 | 6.31 (4.24–9.82) | 5.85 (4.15–9.40) | 8.87 (4.82–13.44) | <0.001 | >7 (× 109/L) | | 178 (72.7%) | 141 (69.8%) | 37 (86%) | 0.048 | Lymphocyte (× 109/L) | 0.8–4.5 | 1.30 (.88–1.83) | 1.32 (0.94–1.88) | 1.04 (0.70–1.8) | 0.309 | <0.8 | | 142 (58%) | 111 (55%) | 31 (72.1%) | 0.058 | NLR | | | 4.42 (2.72–8.57) | 7.08 (4.11–16.76) | <0.001 | Platelet (× 109/L) | 150–350 | 220 (180–297) | 232 (180–300) | 209 (160–248) | 0.133 | <150 | | 29 (11.8%) | 20 (9.9%) | 9 (20.9%) | 0.076 | >350 | | 40 (16.3%) | 32 (15.8%) | 8 (18.6%) | 0.827 | D-dimer (ng/L) | 0–500 | 821 (430–1706) | 793 (420–1705) | 900 (510–1811) | 0.629 | S. ferritin | 20–300 | 353 (165–795) | 332 (166–793.75) | 474 (167.5–802) | 0.961 | Blood glucose | 4.4–7.2 | 10.5 (8–14) | 9.8 (8–14) | 12.1 (9.4–14.35) | 0.074 |
| Lung involvement on chest imaging | Unilateral infiltrate | | 26 (10.6%) | 19 (9.4%) | 7 (16.3%) | 0.291 | Bilateral infiltrate | | 219 (89.4%) | 36 (83.7%) | 183 (90.6%) | 0.291 |
| HRCT findings | GGO | | 155 (63.3%) | 135 (66.8%) | 20 (46.5%) | 0.02 | Consolidation | | 22 (9%) | 16 (7.9%) | 6 (14%) | 0.336 | GGO + consolidation | | 68 (27.8%) | 51 (25.2%) | 17 (39.5%) | 0.087 |
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TC WBC, total count of white blood cells; NLR, neutrophil-to-lymphocyte ratio; GGO, ground-glass opacity.
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