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Table 2 Number of transitions between cognitively normal, mild cognitive impairment, dementia and test-based mild cognitive impairment during the length of the study

From: Validating the role of the Australian National University Alzheimer’s Disease Risk Index (ANU-ADRI) and a genetic risk score in progression to cognitive impairment in a population-based cohort of older adults followed for 12 years

To
From CN MCI Dementia Death Censored
MCI and dementia
 CN 4459 (86.1%) 137 (2.6%) 32 (0.6%) 189 (3.7%) 359 (6.9%)
 MCI 40 (48.2%) 26 (31.3%) 6 (7.2%) 5 (6%) 6 (7.2%)
 Dementia 0 (0%) 0 (0%) 5 (71.4%) 2 (28.6%) 0 (0%)
 Censored 36 (19.5%) 3 (1.6%) 0 (0%) 8 (4.3%) 138 (74.6%)
MCI-TB
 CN 3403 (80.2%) 446 (10.5%)   144 (3.4%) 249 (5.9%)
 MCI 321 (31.3%) 524 (51.2%)   52 (5.1%) 127 (12.4%)
 Censored 28 (15.1%) 11 (5.9%)   8 (4.3%) 138 (74.6%)
  1. Abbreviations: CN Cognitively normal, MCI Mild cognitive impairment, MCI-TB Test-based mild cognitive impairment