Table 2 Patient reported COVID-19 symptoms and olfactory test results.
From: A machine learning COVID-19 mass screening based on symptoms and a simple olfactory test
SARS-COV2 positive | SARS-COV2 negative | P-value | ||
|---|---|---|---|---|
N = 117 | N = 402 | Odds ratio (95% CI) | ||
Symptoms | ||||
Fever | 59 (50.4) | 101 (25.1) | 3.03 (1.98–4.65) | 0.00 |
Dry cough | 45 (38.5) | 73 (18.2) | 2.82 (1.8–4.42) | 0.00 |
Asthenia | 34 (29.1) | 60 (14.9) | 2.33 (1.44–3.79) | 0.00 |
Myalgias | 30 (25.6) | 61 (15.2) | 1.93 (1.17–3.17) | 0.01 |
Cephalea | 39 (33.3) | 83 (20.6) | 1.92 (1.22–3.03) | 0.01 |
Diarrhoea | 35 (29.9) | 82 (20.4) | 1.67 (1.05–2.65) | 0.04 |
OD | 19 (16.2) | 13 (3.2) | 5.79 (2.76–12.12) | 0.00 |
GD | 25 (21.4) | 18 (4.5) | 5.78 (3.03–11.04) | 0.00 |
Dyspnoea | 23 (19.7) | 54 (13.4) | 1.58 (0.92–2.7) | 0.13 |
Productive cough | 15 (12.8) | 40 (10) | 1.33 (0.7–2.5) | 0.48 |
Sore throat | 31 (26.5) | 96 (23.9) | 1.15 (0.72–1.84) | 0.65 |
Rhinorrhoea | 6 (5.1) | 9 (2.2) | 2.36 (0.82–6.77) | 0.18 |
Anorexia | 10 (8.5) | 30 (7.5) | 1.16 (0.55–2.45) | 0.85 |
Asymptomatic | 13 (11.1) | 120 (29.9) | 0.29 (0.16–0.54) | 0.00 |
Symptoms combination | ||||
GD and OD | 31 (26.5) | 24 (6) | 5.66 (3.16–10.13) | 0.00 |
Fever and dry cough | 75 (64.1) | 146 (36.3) | 3.13 (2.04–4.81) | 0.00 |
Fever, dry cough and OD | 82 (70.1) | 152 (37.9) | 3.84 (2.46–5.98) | 0.00 |
Olfactory test results | ||||
Test 1 positive | 74 (63.2) | 193 (48) | 1.86 (1.22–2.85) | 0.01 |
No smell at all | 13 (11.1) | 12 (3) | 4.06 (1.8–9.17) | 0.00 |
Test 1 and 2 positive | 62 (52.9) | 156 (38.8) | 1.78 (1.17–2.69) | 0.01 |
