Retrospective Cohort Study
Copyright ©The Author(s) 2021.
World J Gastroenterol. Nov 14, 2021; 27(42): 7362-7375
Published online Nov 14, 2021. doi: 10.3748/wjg.v27.i42.7362
Table 1 Baseline demographic features of patients (n = 125 patients)
Item
n (%)
Egyptian governorate
Cairo78 (62.4)
Al-Menofeya17 (13.6)
Giza14 (11.2)
Al-Qalubya9 (7.2)
Al-Behera7 (5.6)
Age (yr)
20 to 301 (0.8)
30 to 406 (4.8)
40 to 5010 (8.1)
50 to 6031 (25.0)
60 to 7035 (28.2)
70 to 8035 (28.2)
80 to 906 (4.8)
Gender
Male86 (68.8)
Female39 (31.2)
Cigarette smoking10 (8.0)
History of contact with COVID-19 case32 (25.6)
Diabetes mellitus52 (41.6)
Hypertension52 (41.6)
Direct-acting antiviral therapy treatment
Not previously treated108 (86.4)
Sustained virological response17 (13.6)
COPD1 (0.8)
Coronary artery disease12 (9.6)
Acute kidney injury1 (0.8)
Chronic renal insufficiency8 (6.4)
Heart failure2 (1.6)
Bronchial asthma1 (0.8)
CT pattern1 (0.8)
Consolidations and ground-glass opacities31 (24.8)
Ground-glass opacities94 (75.2)
Lesion distribution on CT
Bilateral122 (97.6)
Unilateral3 (2.4)
COVID-19 case severity
Moderate86 (68.8)
Severe39 (31.2)
Admission zone
ICU24 (19.2)
Intermediate care6 (4.8)
Ward95 (76.0)
Table 2 Symptoms of the studied patients
Symptom
n (%)
Dyspnea80 (64.0)
Fever78 (62.4)
Cough55 (44.0)
Fatigue26 (20.8)
Disturbed consciousness22 (17.6)
Sore throat15 (12.0)
Newly developed hepatic encephalopathy15 (12.0)
Hepatocellular carcinoma15 (12.0)
Myalgia12 (9.6)
Current ascites9 (7.2)
History of hematemesis from esophageal varices9 (7.2)
Asymptomatic5 (4.0)
Diarrhea5 (4.0)
Arthralgia5 (4.0)
Anorexia4 (3.2)
Nausea3 (2.4)
Vomiting3 (2.4)
Loss of taste2 (1.6)
Hemoptysis1 (0.8)
Abdominal pain1 (0.8)
Loss of smell1 (0.8)
Jaundice1 (0.8)
Rhinorrhea1 (0.8)
Table 3 Baseline laboratory results and treatments of the studied 125 patients

mean ± SD/n (%)
Pulse rate92 ± 17
Temperature37 ± 1
Respiratory rate23 ± 5
Oxygen saturation93 ± 5
Hemoglobin (gm/dL)12 ± 2
Platelet count (× 1000/cmm)183 ± 107
Total leucocyte count (× 1000/cmm)10 ± 8
Neutrophil : Lymphocyte ratio1 ± 0
INR1.16 ± 0.29
PTT33.9 ± 13.2
Serum creatinine (mg/dL)1.39 ± 1.43
Serum sodium (mEq/L)137 ± 9
Serum potassium (mEq/L)4.18 ± 0.77
Total bilirubin (mg/dL)3 ± 5
Direct bilirubin (mg/dL)2.1 ± 3.8
Serum albumin (g/dL)3.2 ± 0.7
Alanine Transaminase (U/L)58 ± 53
Aspartate Transaminase (U/L)92 ± 123
Alkaline phosphatase (U/L)262 ± 226
Serum ferritin (ng/mL)667 ± 483
D-dimer (mg/mL)1560 ± 2503
Fibrinogen (mg/dL) × 100 if presented in g/L77
Azithromycin72 (57.6)
Paracetamol45 (36.0)
Supplementary vitamin C85 (68.0)
Zinc69 (55.2)
Colchicine2 (1.6)
Lactoferrin18 (14.4)
Other antibiotics71 (56.8)
Steroids38 (30.4)
Hydroxyl-chloroquine29 (23.2)
Low-molecular weight heparin56 (44.8)
Warfarin3 (2.4)
Table 4 Baseline features and symptoms of patients with and without liver cirrhosis
Variable
No liver cirrhosis61 (48.8%)
Liver cirrhosis 64 (51.2%)
P value
GenderMale42 (68.9%)44 (68.8%)0.57
Female19 (31.1%)20 (31.3%)
Age (yr)20 to 300 (0.0%)1 (1.6%)0.004
30 to 403 (4.9%)3 (4.8%)
40 to 500 (0.0%)10 (15.9%)
50 to 6019 (31.1%)12 (19.0%)
60 to 7014 (23.0%)21 (33.3%)
70 to 8021 (34.4%)14 (22.2%)
80 to 904 (6.6%)2 (3.2%)
Cigarette smoking2 (3.2%)8 (11.5%)0.06
Diabetes mellitus24 (39.3%)28 (43.8%)0.71
Hypertension23 (37.7%)29 (45.3%)0.46
COPD0 (0.0%)1 (1.6%)1
Coronary artery disease5 (8.2%)7(10.9%)0.76
Chronic renal insufficiency4 (6.6%)4 (6.3%)1
Heart failure02 (3.1%)0.49
Hepatocellular carcinoma3 (4.9%)12 (18.8%)0.026
Esophageal varices0 (0.0%)9 (14.1%)0.003
Asymptomatic1 (1.6%)4 (6.3%)0.36
Fever35 (57.4%)43 (67.2%)0.27
Cough18 (29.5%37 (57.8%)0.002
Dyspnea44 (72.1%)36 (56.3%)0.09
Sore throat2 (3.3%)13 (20.3%)0.005
Hemoptysis0 (0.0%)1 (1.6%)1
Fatigue5 (8.2%)21 (32.8%)0.001
Anorexia1 (1.6%)3 (4.7%)0.62
Diarrhea0 (0.0%)5 (7.8%)0.05
Nausea1 (1.6%)2 (3.1%)1
Vomiting1 (1.6%)2 (3.1%)1
Abdominal pain1 (1.6%)0 (0.0%)0.48
Arthralgia1 (1.6%)4 (6.3%)0.36
Myalgia1 (1.6%)11 (17.2%)0.004
Loss of taste0 (0.0%)2 (3.1%)0.49
Loss of smell0 (0.0%)1 (1.6%)1
Disturbed consciousness3 (4.9%)19 (29.7%)0.001
Hepatic encephalopathy0 (0.0%)15 (23.4%)0.033
Direct-acting antiviral therapy with sustained virological response before COVID-19 infection7 (11.5%)10 (15.6%)0.61
Table 5 Comparison between patients with and without liver cirrhosis

No liver cirrhosis 61 (48.8%)
Liver cirrhosis 64 (51.2%)
P value
Hemoglobin (mg/dL)12 ± 212 ± 20.85
Platelet count (× 1000/cmm)193 ± 107171 ± 1070.36
TLC (× 1000/cmm)12 ± 109 ± 50.31
Serum creatinine (mg/dL)1.58 ± 1.891.21 ± 0.760.59
Total bilirubin (mg/dL)3 ± 43 ± 50.79
Serum albumin (g/dL)3.3 ± 0.73.1 ± 0.60.36
Alanine transaminase (U/L)67 ± 6750 ± 400.21
Aspartate transaminase (U/L)60 ± 37101 ± 1370.89
CT patternConsolidations and ground-glass opacities4 (6.55%)28 (43.75%)< 0.001
Ground-glass opacities57 (93.45%)36 (56.25%)
Lesion distribution on CTBilateral58 (95.1%)64 (100.0%)0.11
Unilateral3 (4.9%)0
COVID-19 severityModerate50 (81.96%)35 (54.69%)0.003
Severe11 (18.04%)29 (45.31%)
Azithromycin33 (54.1%)39 (60.9%)0.47
Paracetamol16 (26.2%)29 (45.3%)0.04
Supplementary vitamin C37 (60.7%)48 (75.0%)0.12
Supplementary zinc33 (54.1%)36 (56.3%)0.85
Lactoferrin3 (4.9%)15 (23.4%)0.004
Other antibiotics28 (45.9%)43 (67.2%)0.019
AnticoagulantsLMWH28 (45.9%)28 (43.8%)1
Warfarin1 (1.6%)2 (3.1%)1
Steroids16 (26.2%)22 (34.4%)0.339
Alive (discharged)52 (85.25%)31 (48.44%)< 0.001
Died at the hospital9 (14.75%)33 (51.56%)
Table 6 Multivariate regression analysis of factors affecting mortality
BS.E.P valueOdds ratio95%CI
Lower
Upper
Male1.9690.6060.0017.1662.18523.506
Diabetes mellitus1.3930.5080.0064.0291.48810.906
Liver cirrhosis2.2740.5150.00011.1031.0371.282
Constant-1.8790.6040.0020.153
Table 7 Comparison between patients with COVID-19 who received or did not receive previous direct-acting antiviral therapy

Did not receive previous DAA (n = 108)
Received previous DAA (n = 17)
P value
COVID-19 severityModerate72 (66.7%)14 (82.4%)0.26
Severe36 (33.3%)3 (17.6%)
Admission zoneICU22 (20.4%)2 (11.8%)0.52
Intermediate care6 (5.6%)0 (0.0%)
Ward80 (74.1%)15 (88.2%)
Vital statusAlive73 (67.6%)12 (70.6%)1
Dead35 (32.4%)5 (29.4%)
Total bilirubin (mg/dL)1.00 (1-20)1.30 (1-6)0.84
Direct bilirubin (mg/dL)0.9 (0.2-15.6)0.9 (0.1-2.7)0.93
Serum albumin (g/dL)3.1 (1.7-5)3.15 (2.4-3.8)0.45
Alanine transaminase (U/L)41.5 (13-324)49 (18-175)0.54
Aspartate transaminase (U/L)46.5 (10- 549)53 (16-415)0.42