Table 2. Clinical Features and Past History
All patients (n=270) Normal Q-SIT(n=226) Abnormal Q-SIT (n=44) P value
Clinical Features Clinical Features
Partial Anosmia – no. (%). 13 (4.8) 9 (4.0) 4 (9.1) 0.237
Complete Anosmia – no. (%). 61 (22.6) 27 (11.9) 34 (77.3) <0.001
Anosmia as The First symptom – no. (%). 19 (7.0) 1 (0.4) 18 (40.9) <0.001
Ageusia – no. (%). 86 (31.9) 53 (23.5) 33 (75.0) <0.001
Rhinorrhea – no. (%). 38 (14.1) 27 (11.9) 11 (25.0) 0.023
Nasal blockage – no. (%). 14 (5.2) 11 (4.9) 3 (6.8) 0.708
Fever – no. (%). 218 (80.7) 184 (81.4) 34 (77.3) 0.524
Cough – no. (%). 197 (73.0) 167 (73.9) 30 (68.2) 0.435
Sore throat – no. (%). 50 (18.5) 39 (17.3) 11 (25.0) 0.226
SOB – no. (%). 155 (57.4) 130 (57.5) 25 (56.8) 0.931
Diarrhea – no. (%). 51 (18.9) 41 (18.1) 10 (22.7) 0.477
Headache – no. (%). 78 (28.9) 65 (28.8) 13 (29.5) 0.916
Sputum production – no. (%). 92 (34.1) 81 (35.8) 11 (25.0) 0.165
Asthenia – no. (%). 126 (46.7) 109 (48.2) 17 (39.5) 0.295
Loss of appetite – no. (%). 124 (45.9) 103 (45.6) 21 (47.7) 0.793
Arthralgia – no. (%). 46 (17.0) 39 (17.3) 7 (15.9) 0.828
Myalgia – no. (%). 46 (17.0) 35 (15.5) 11 (25.0) 0.125
Abdominal pain – no. (%). 32 (11.9) 27 (11.9) 5 (11.4) 0.913
Nausea – no. (%). 80 (29.6) 66 (29.2) 14 (31.8) 0.728
Vomiting – no. (%). 45 (16.7) 40 (17.7) 5 (11.4) 0.302
Ear pain – no. (%). 10 (3.7) 8 (3.5) 2 (4.5) 0.669
Past History Past History
Chronic sinusitis – no. (%). 3 (1.1) 2 (0.9) 1 (2.3) 0.415
Nasal polyp – no. (%). 5 (1.9) 3 (1.3) 2 (4.5) 0.188
Allergic rhinitis – no. (%). 12 (4.4) 12 (5.3) 0 (0) 0.225
DM – no. (%). 64 (23.7) 58 (25.7) 6 (13.6) 0.086
HTN – no. (%). 54 (20.0) 48 (21.2) 6 (13.6) 0.249
COPD – no. (%). 1 (0.4) 0 (0) 1 (2.3) 0.163
Asthma – no. (%). 8 (3.0) 6 (2.7) 2 (4.5) 0.621
CKD – no. (%). 8 (3.0) 8 (3.5) 0 (0) 0.361
CLD – no. (%). 1 (0.4) 1 (0.4) 0 (0) 1.000
CVD – no. (%). 9 (3.3) 9 (4.0) 0 (0) 0.363
GERD – no. (%). 1 (0.4) 1 (0.4) 0 (0) 1.000
Hypothyroidism – no. (%). 5 (1.9) 3 (1.3) 2 (4.5) 0.188
Depression – no. (%). 1 (0.4) 1 (0.4) 0 (0) 1.000
Autoimmune disease – no. (%). 5 (1.9) 4 (1.8) 1 (2.3) 0.592
Sinus surgery – no. (%) 1 (0.4) 1 (0.4) 0 (0) 1.000
Smoking – no. (%) 23 (8.5) 16 (7.1) 7 (15.9) 0.073
Abbreviations: Q-SIT: quick- smell identification Test; SOB: Shortness of Breath; DM: diabetes mellitus; HTN: Hypertension; COPD: Chronic Obstructive Pulmonary Disease; CKD: Chronic Kidney Disease; CLD: Chronic Liver Disease; CVD: Cardio-Vascular Disease; GERD: Gastro-Esophageal Reflux Disease. Abbreviations: Q-SIT: quick- smell identification Test; SOB: Shortness of Breath; DM: diabetes mellitus; HTN: Hypertension; COPD: Chronic Obstructive Pulmonary Disease; CKD: Chronic Kidney Disease; CLD: Chronic Liver Disease; CVD: Cardio-Vascular Disease; GERD: Gastro-Esophageal Reflux Disease. Abbreviations: Q-SIT: quick- smell identification Test; SOB: Shortness of Breath; DM: diabetes mellitus; HTN: Hypertension; COPD: Chronic Obstructive Pulmonary Disease; CKD: Chronic Kidney Disease; CLD: Chronic Liver Disease; CVD: Cardio-Vascular Disease; GERD: Gastro-Esophageal Reflux Disease. Abbreviations: Q-SIT: quick- smell identification Test; SOB: Shortness of Breath; DM: diabetes mellitus; HTN: Hypertension; COPD: Chronic Obstructive Pulmonary Disease; CKD: Chronic Kidney Disease; CLD: Chronic Liver Disease; CVD: Cardio-Vascular Disease; GERD: Gastro-Esophageal Reflux Disease. Abbreviations: Q-SIT: quick- smell identification Test; SOB: Shortness of Breath; DM: diabetes mellitus; HTN: Hypertension; COPD: Chronic Obstructive Pulmonary Disease; CKD: Chronic Kidney Disease; CLD: Chronic Liver Disease; CVD: Cardio-Vascular Disease; GERD: Gastro-Esophageal Reflux Disease.