Table 9.

Performance comparison of proposed method with different works used for identification of COVID-19 using CXI and CCTI databases.

Reference	Number of classes	Number of images	Train: Test: Valid	K-fold	PRE (%)	SEN (%)	SPE (%)	F1-score	ACC (%)	AUC
CCTI database
[21]	2	2482	80:0:20	–	99.16	–	–	0.97	97.38	0.97
[51]	2	2945	–	5-fold	99.20	98.80	–	–	98.99	–
[52]	2	2945	–	4-fold	95.75	–	–	0.90	90.83	0.96
[46]	2	2482	60:0:40	–	98.74	–	–	98.14	0.98	0.98
[53]	2	2482	64:20:16	–	95	–	–	0.95	95	–
Proposed method	2	2482	85:10:5	–	98.40	97.60	98.36	0.98	97.6	0.98
Proposed method	2	2482	–	5-fold	97.40	97	96.5	0.97	97.6	0.98
CXI database
[3]	3	1127	–	5-fold	89.96	85.35	–	87.37	87.02	–
[47]	3	1251	–	4-fold	90	96.4	–	0.87	89.06	–
[12]	2	406	70:0:30	–	96.77	100	–	0.98	98.33	0.98
Proposed method	3	1446	85:10:5	–	100	100	100	1	100	1
Proposed method	3	1446	–	5-fold and 10-fold	100	100	100	1	100	1