Table 5.

Training, validation, and test set.

	Non-test (9 folds for training and 1-fold for validation)	Test	Total
COVID-19	$N_1^{ntest}=227$	$N_1^{test}=57$	$N_1=284$
CAP	$N_2^{ntest}=225$	$N_2^{test}=56$	$N_2=281$
SPT	$N_3^{ntest}=234$	$N_3^{test}=59$	$N_3=293$
HC	$N_4^{ntest}=245$	$N_4^{test}=61$	$N_4=306$