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 (%)).

VariablesNormal rangeTotal, n = 245Survivor, n = 202Nonsurvivor, n = 43 value

TC WBC (× 109/L)4–108.2 (6–12)7.79 (6–11.07)10.2 (6.85–14.32)0.002
>1084 (34.3%)62 (30.7%)22 (51.2%)0.017
<48 (3.3%)8 (4%)0 (0%)0.393
Neutrophil (× 109/L)2.0–7.06.31 (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)0.8–4.51.30 (.88–1.83)1.32 (0.94–1.88)1.04 (0.70–1.8)0.309
<0.8142 (58%)111 (55%)31 (72.1%)0.058
NLR4.42 (2.72–8.57)7.08 (4.11–16.76)<0.001
Platelet (× 109/L)150–350220 (180–297)232 (180–300)209 (160–248)0.133
<15029 (11.8%)20 (9.9%)9 (20.9%)0.076
>35040 (16.3%)32 (15.8%)8 (18.6%)0.827
D-dimer (ng/L)0–500821 (430–1706)793 (420–1705)900 (510–1811)0.629
S. ferritin20–300353 (165–795)332 (166–793.75)474 (167.5–802)0.961
Blood glucose4.4–7.210.5 (8–14)9.8 (8–14)12.1 (9.4–14.35)0.074

Lung involvement on chest imaging
Unilateral infiltrate26 (10.6%)19 (9.4%)7 (16.3%)0.291
Bilateral infiltrate219 (89.4%)36 (83.7%)183 (90.6%)0.291

HRCT findings
GGO155 (63.3%)135 (66.8%)20 (46.5%)0.02
Consolidation22 (9%)16 (7.9%)6 (14%)0.336
GGO + consolidation68 (27.8%)51 (25.2%)17 (39.5%)0.087

TC WBC, total count of white blood cells; NLR, neutrophil-to-lymphocyte ratio; GGO, ground-glass opacity.