No symptom Any symptom P value* SMD
Number 91 91
Age 46 [39-52] 46 [39-54] 0.515 0.123
Male 29 (31.9) 29 (31.9) 1.0 < 0.001
BMI 22.7 [20.8-26.8] 23.4 [20.9-26.5] 0.801 0.051
Smoking 30 (33.0) 30 (33.0) 1.0 < 0.001
Drinking 68 (74.7) 74 (81.3) 0.371 0.160
Hypertension 7 (7.7) 10 (11.0) 0.612 0.113
Diabetes 5 (5.5) 5 (5.5) 1.0 < 0.001
COPD 0 (0.0) 0 (0.0) NA < 0.001
Malignancy 0 (0.0) 0 (0.0) NA < 0.001
Use of antivirals 16 (17.6) 16 (17.6) 1.0 0.063
Use of steroids 14 (15.4) 12 (13.2) 0.833 < 0.001
Severe disease 3 (3.3) 3 (3.3) 1.0 < 0.001
VAS 80 [77-90] 70 [60-80] < 0.001 0.763
QOL 1.0 [1.0-1.0] 0.81 [0.76-1.0] < 0.001 0.80