TABLE 4.

Some important rules extracted by the optimal PART classifier under the mRMR feature list.

Index	Decision Rules	Class
1	(hsa-miR-6088 ≤ 10.1065) & (hsa-miR-520f-5> 2.0854) & (hsa-miR-6836–3 ≤8.6821) & (hsa-miR-6811–5>1.8782) & (hsa-miR-4667–5> 6.1925) & (hsa-miR-6823–5 > 1.8811) & (hsa-miR-7851–3> 5.1826) & (hsa-miR-4667–5 ≤7.1244) & (hsa-miR-6756–5 ≤8.7714)	Normal control
2	(hsa-miR-6088 ≤ 9.9516) & (hsa-miR-4327 > 7.8591) & (hsa-miR-6861–5> 6.5728) & (hsa-miR-4485–5 ≤6.5037) & (hsa-miR-3622a-3> 4.5067) & (hsa-miR-6875–5 ≤10.0546) & (hsa-miR-7854–3 ≤4.8701)	Alzheimer’s disease
3	(hsa-miR-208a-5> 5.8741) & (hsa-miR-548f-3 ≤2.1097) & (hsa-miR-4667–5> 6.7261) & (hsa-miR-6761–3> 4.7880) & (hsa-miR-520f-5 ≤1.8849)	Vascular dementia
4	(hsa-miR-208a-5> 5.8741) & (hsa-miR-548f-3 ≤2.1097) & (hsa-miR-4649–5>10.8160) & (hsa-miR-3622a-3 ≤4.4907) & (hsa-miR-6070 > 1.8843) & (hsa-miR-663b ≤ 8.7018)	Dementia with lewy bodies
5	(hsa-miR-520f-5 ≤1.8945) & (hsa-miR-6840–3 ≤7.6738) & (hsa-miR-185–5 ≤2.9551)	Mild cognitive impairment