Table 2.

Comparative diagnostic results of the CRD system on, A) 142 candidates who were known cases of positive and negative COVID-19 confirmed by clinical judgment (HR-CT, ESR, CRP, CBC, Lymphopenia and observational symptoms) and RT-PCR assays, B) Donated sputum from 30 patients who were recommended to do CT-Scan by the physicians (due to their blood tests and physical symptoms).

Diagnosis results	A (n = 142)	B (n = 30)
TP	61	12
TN	72	16
FP	7	1
FN	2	1
Accuracy	97%	94%
Sensitivity	97%	92%
Specificity	91%	94%
Selectivity	88%	87%