Table 2.
Comparison of COVID-19-related criteria between positive and negative CT scan groups.
| Variables | Chest CT scan +ve (%) n = 44 | Chest CT scan −ve (%) n = 42 | p value |
|---|---|---|---|
| Nationality | |||
| Iranian | 97.7 | 81 | 0.014 |
| Non-Iranian | 2.3 | 19 | |
|
| |||
| Positive COVID-19-related history | |||
| Contact | 6.8 | 14.3 | 0.3 |
| Fever | 27.1 | 38.1 | 0.2 |
| Cough | 13.6 | 11.9 | 0.53 |
| Respiratory distress | 38.6 | 16.7 | 0.02 |
| Neurological symptoms | 15.9 | 4.8 | 0.08 |
| Dermatological symptoms | 0 | 0 | — |
| Abdominal pain | 2.3 | 2.4 | 1 |
| Anorexia | 6.8 | 2.4 | 0.61 |
|
| |||
| Positive past medical history | |||
| Cancer | 0 | 2.4 | 0.48 |
| Diabetes mellitus | 9.1 | 7.1 | 1 |
| Chronic anemia | 0 | 2.4 | 0.48 |
| Cardiac disease | 9.1 | 11.9 | 0.73 |
| Chronic renal failure | 2.3 | 0 | 1 |
| Asthma | 2.3 | 0 | 1 |
| COPD | 2.3 | 2.4 | 1 |
| HTN | 9.1 | 4.8 | 0.67 |
|
| |||
| Hospital course | |||
| Intubation need | 52.3 | 35.7 | 0.09 |
| ICU admission | 77.3 | 61.9 | 0.09 |
| ARDS incidence | 39 | 41.7 | 0.75 |
| Mortality | 25 | 9.5 | 0.53 |
|
| |||
| Patient classification | |||
| Suspicious (WHO) | 2.3 | 4.8 | 0.61 |
| Possible (ECDC) | 79.5 | 66.7 | 0.13 |
| Asymptomatic | 20.5 | 33.3 | 0.2 |
CT: computed tomography; COVID-19: coronavirus disease 2019; COPD: chronic obstructive pulmonary disease; ARDS: acute respiratory distress syndrome; HTN: hypertension; ICU: intensive care unit; WHO: World Health Organization; ECDC: European Centre for Disease Prevention and Control.