Table 2 Selection criteria of the studied group
From: Evaluation of cognitive functions in a group of Egyptian recovered COVID-19 patients
 Selection criteria of the studied group |  | Number | % |
|---|---|---|---|
Clinical symptoms | No | 6 | 12.0% |
Yes | 44 | 88.0% | |
Contact with confirmed COVID cases | No | 32 | 64.0% |
Yes | 18 | 36.0% | |
Positive PCR | No | 21 | 42.0% |
Yes | 29 | 58.0% | |
Standard investigations (laboratory tests as CBC, ESR, ferritin, and CT chest) | No | 24 | 48.0% |
Yes | 26 | 52.0% |