Research Article

Prevalence and Prognostic Importance of High Fibrosis-4 Index in COVID-19 Patients

Table 2

Baseline demographics, clinical characteristics, and laboratory data of all patients at the time of diagnosis according to needing ICU referral and/or deceased.

ICU admission and/or deceased
Yes n = 42 (6.8%)No n = 577 (93.2%)

Gender n (%)Male32 (76.2)331 (57.4)0.017
Female10 (23.8)246 (42.6)

Age (years) median (IQR)52 (45–58)0.742

Comorbidities n (%)Diabetes mellitus15 (35.7)138 (23.9)0.087
Hypertension16 (38.1)190 (33.0)0.498
Ischemic heart disease7 (16.7)32 (5.6)0.013
Heart failure2 (4.8)10 (1.8)0.197
Chronic kidney disease4 (9.5)12 (2.1)0.019
COPD4 (9.5)23 (4.0)0.105
Active malignancy2 (4.8)10 (1.7)0.195
Collagenous/autoimmune disease2 (4.8)23 (4.0)0.685
Cerebrovascular/neurological disease1 (2.4)10 (1.7)0.543
Cardio-cerebrovascular disease8 (19.0)41 (7.1)0.013

Time between first symptom and diagnosis (days) median (IQR)4 (3–7)0.872

Symptoms at admission n (%)Fever27 (64.3)263 (45.7)0.020
Fatigue27 (64.3)265 (46.2)0.024
Shortness of breath19 (45.2)177 (30.7)0.050
Dry cough27 (64.3)347 (60.1)0.596
Cough with phlegm4 (9.5)37 (6.4)0.513
Anorexia7 (16.7)20 (3.5)0.001
Muscle pain12 (28.6)131 (22.7)0.384
Throat ache8 (19.0)77 (13.3)0.300
Headache7 (16.7)87 (15.1)0.782
Diarrhoea4 (9.5)46 (8.0)0.767
Anosmia4 (9.5)26 (4.5)0.138
COVID-19-related clinical status at the time of diagnosis n (%)Asymptomatic1 (2.4)28 (4.9)0.713
Asymptomatic or mild disease20 (47.6)498 (86.3)<0.001
Moderate-to-severe illness22 (52.4)79 (13.7)
Laboratory findings at the time of diagnosis median (IQR)Haemoglobin (g/dl)13 (10.7–14.3)13.3 (12.2–14.3)0.098
Neutrophil count (/mm3)4255 (3070–7142.5)3520 (2580–4980)0.043
Lymphocyte c(/mm3)945 (705–1377.5)1400 (1000–1890)<0.001
Platelet count (×1000/mm3)198.5 (150.5–276.5)200 (156–252)0.973
Erythrocyte sedimentation rate (mm/hr)38 (16–68)36 (16–59)0.706
Creatinine (mg/dL)0.92 (0.7–1.2)0.84 (0.695–0.99)0.158
Albumin (g/dl)3.4 (2.9–3.8)3.8 (3.5–4.1)<0.001
AST (IU/L)31.5 (22–53.75)28 (22–40)0.265
ALT (IU/L)26.5 (18–45.75)27 (19–41)0.730
LDH (IU/L)366 (292.25–546)307.5 (234–420.25)0.010
CK (IU/L)105 (74–263)87 (57–174)0.099
Amylase (IU/L))63 (49.5–89)59 (47–79.5)0.368
Lipase (IU/L)35 (18–55)34.41 (21.34–54)0.956
Ferritin (ng/ml)468.3 (238–824.25)191 (105.3–404.5)<0.001
Lymphopenia n (%)27 (64.3)215 (37.3)0.001

CRP n (%)Normal1 (2.4)86 (14.9)<0.001
1–5 times increase6 (14.3)202 (35.0)
5–10 times increase3 (7.1)121 (21.0)
10–20 times increase12 (28.6)94 (16.3)
>20 times increase20 (47.6)74 (12.8)

Procalcitonin n (%)Normal22 (57.9)431 (85.9)<0.001
High16 (42.1)71 (14.1)

D-dimer n (%)Normal16 (39.0)323 (58.8)<0.001
1––<3 times10 (24.4)152 (27.7)
>3 times15 (36.6)74 (13.5)

CT n (%)40 (95.2)571 (99.1)0.076

CT findings n (%)Single lesion0 (0.0)20 (3.5)0.387
Unilateral multiple lesion1 (2.5)42 (7.4)
Bilateral multiple lesion36 (90.0)479 (84.5)
Completely normal3 (7.5)26 (4.6)

Length of hospital stay (days) median (IQR)15 (7.75–23.25)8 (5–12)<0.001

ALT, alanine aminotransferase; AST, aspartate aminotransferase; CK creatinine kinase; COPD, chronic obstructive pulmonary disease; CRP, C-reactive protein; CT, computerised thorax tomography; FIB-4, fibrosis index; eGFR, estimated glomerular filtration rate; GGT, glutamyl transpeptidase; ICU, intensive care unit; INR, international normalized rate; LDH, lactate dehydrogenase; eGFR, estimated glomerular filtration rate.