Table 4.

Performance metrics based on categorization.

Metrics	Category	T P	T N	F P	F N	Sensitivity	Precision	Accuracy	Specificity	Overall
Proposed framework	Critical	115	530	2	2	0.96	0.96	98%	0.99	122
	Severe	140	506	4	5	0.97	0.97	99%	0.99	140
	Moderate	180	446	15	10	0.95	0.92	96%	0.97	185
	Mild	187	444	9	13	0.93	0.94	96%	0.97	205