Table 1.

Constituents of OASIS-1, OASIS-2, and OASIS-3.

		OASIS-1	OASIS-2	OASIS-3
Number of participants		416	150	1098
Sample size of class label	Class 0: Normal	336	206	1210
	Class 1: very mild AD	70	123	516
	Class 2: Mild AD	28	41	262
	Class 3: Moderate AD	2	3	180