| Variables | Total | Percentage |
| Biological diagnosis PCR RDT-Ag Prognostic factors LDH CPK PCT D-Dimers CRP Blood group A B AB O Unavailable Chest CT scan Not done Done Scan results Normal GGO Other lesions Severity of GGO 25% 50% 75% | n = 18 15 03 n = 18 01 00 07 03 07 n = 18 00 04 01 04 09 n = 18 09 09 n = 09 00 09 00 n = 09 03 04 02 | % 83.3 16.7 % 05.5 00 38.9 16.7 38.9 % 00 22.2 05.6 22.2 50 % 50 50 % 00 100 00 % 33.3 44.5 22.2 |