Table 3.

Average Results for Each Signature Over 24 Classifiers Revealing 5-Protein Classifiers.

			Overall (“AD” + “MCI”)		Test Set “AD”		Test Set “MCI”
Signature	Size	Overall	AD Er	NAD Er	AD Er	NAD Er	AD Er	NAD Er
		139	64	75	42	50	22	25
18-Protein signature	Error average	24.34	9.02	15.33	3.66	4.79	5.36	10.53
	Agr %	82	86	80	91	90	76	58
			82		91		66
10-Protein signature	Error average	25.98	7.83	18.15	2.45	7.64	5.38	10.52
	Agr %	81	88	76	94	85	76	58
			81		89		66
6-Protein signature	Error average	24.44	8.60	15.84	2.02	5.70	6.58	10.14
	Agr %	82	87	79	95	89	70	59
			82		92		64
5-Protein signature	Error average	23.20	7.71	15.49	1.78	4.75	5.93	10.73
	Agr %	83	88	79	96	90	73	57
			83		93		65

Abbreviations: AD, Alzheimer disease; MCI, mild cognitive impairment.

Note. This is a five-protein classifier where approximately ninety-seven percent efficacy was detected to predict AD using this data and each highlighted value showed the efficacy to predict AD in each class.