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. 2015 Nov 2;1(4):447–454. doi: 10.1016/j.dadm.2015.10.003

Table 5.

Classification of MCI participants According to the methods of Petersen and Morris (2005)

Group categorization by Petersen criteria Number of MCI patients (%) Of the total MCI patients in each category, breakdown in each profile (from LPA)
Profile 1: Memory deficit, n = 51 (36.7%) Profile 2: Least cognitively impaired, n = 32 (23.0%) Profile 3: Multiple deficit, n = 56 (40.3%)
No impairment of clinical significance 25 (18.0) 11 (44.0) 14 (56.0) 0 (0.0)
Amnestic single domain 13 (9.4) 12 (92.3) 1 (7.7) 0 (0.0)
Amnestic multidomain 65 (46.8) 17 (26.2) 1 (1.5) 47 (72.3)
Nonamnestic single domain 26 (18.7) 8 (30.8) 15 (57.7) 3 (11.5)
Nonamnestic multidomain 10 (7.2) 3 (30.0) 1 (10.0) 6 (60.0)

Abbreviations: MCI, mild cognitive impairment; LPA, latent profile analysis.