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Table 1 Residual and crude FCSRT scores according to the occurrence of dementia and Alzheimer's disease at 3 years (S5) and 5 years (S6) after test completion (all comparison p < 0.01a)

From: Predicting dementia using socio-demographic characteristics and the Free and Cued Selective Reminding Test in the general population

  Dementia at 3 years Dementia between 3 and 5 years Dementia at 5 years AD at 3 years AD between 3 and 5 years AD at 5 years
No (N = 2009) Yes (N = 90) No (N = 1577) Yes (N = 83) No (N = 1577) Yes (N = 173) No (N = 2042) Yes (N = 57) No (N = 1601) Yes (N = 59) No (N = 1634) Yes (N = 116)
FCSRT free recall
 Score mean (SD) 25.2 (6.3) 16.2 (6.0) 25.9 (6.1) 18.2 (6.4) 25.9 (6.1) 17.2 (6.2) 25.1 (6.4) 14.5 (5.9) 25.7 (6.2) 19.1 (6.2) 25.7 (6.2) 17.0 (6.5)
 Residual score mean (SD) –0.6 (6.0) –8.7 (6.7) 0.0 (5.7) –7.1 (6.3) 0.0 (5.7) –7.9 (6.5) –0.7 (6.0) –10.5 (6.3) –0.2 (5.9) –6.4 (6.1) –0.2 (5.9) –8.3 (6.5)
 Missing datab, n (%) 143 (7.1%) 24 (26.7%) 88 (5.6%) 16 (19.2%) 88 (5.6%) 40 (23.1%) 149 (7.3%) 17 (29.8%) 94 (5.8%) 10 (16.9%) 101 (6.2%) 27 (23.3%)
FCSRT total recall
 Score mean (SD) 44.9 (4.2) 38.3 (7.7) 45.3 (3.9) 41.7 (5.2) 45.3 (3.9) 40.0 (6.7) 44.9 (4.2) 36.4 (7.7) 45.2 (4.0) 41.3 (5.4) 45.2 (4.0) 39.1 (6.9)
 Residual score mean (SD) –0.3 (4.0) –6.4 (7.9) 0.0 (3.7) –3.2 (5.1) 0.0 (3.7) –4.8 (6.8) –0.3 (4.1) –8.3 (7.8) –0.1 (3.9) –3.7 (5.2) –0.1 (3.9) –5.8 (6.8)
 Missing datab, n (%) 153 (7.6%) 25 (27.8%) 95 (6.0%) 16 (19.2%) 95 (6.0%) 41 (23.7%) 159 (7.8%) 18 (31.6%) 101 (6.3%) 10 (16.9%) 116 (7.1%) 28 (24.1%)
FCSRT delayed free recall
 Score mean (SD) 10.1 (2.7) 6.1 (3.6) 10.41 (2.5) 7.2 (3.3) 10.41 (2.5) 6.7 (3.5) 10.1 (2.7) 5.0 (3.4) 10.3 (2.6) 7.5 (3.3) 10.3 (2.6) 6.4 (3.6)
 Residual score mean (SD) –0.3 (2.6) –3.9 (3.8) 0.0 (2.4) –3.0 (3.2) 0.0 (2.4) –3.4 (3.5) –0.3 (2.6) –5.0 (3.6) –0.1 (2.5) –2.7 (3.2) –0.1 (2.5) –3.8 (3.6)
 Missing datab, n (%) 148 (6.8%) 24 (26.7%) 91 (5.3%) 16 (19.2%) 91 (5.3%) 40 (23.1%) 145 (7.1%) 17 (29.8%) 89 (5.6%) 10 (16.9%) 96 (5.9%) 27 (23.3%)
FCSRT delayed total recall
 Score mean (SD) 15.3 (1.4) 13.1 (3.1) 15.4 (1.3) 14.4 (2.0) 15.4 (1.3) 13.8 (2.7) 15.3 (1.4) 12.4 (3.4) 15.4 (1.4) 14.3 (2.1) 15.4 (1.4) 13.4 (2.9)
 Residual score mean (SD) –0.1 (1.4) –2.1 (3.2) 0.0 (1.3) –0.9 (2.0) 0.0 (1.3) –1.5 (2.7) –0.1 (1.4) –2.9 (3.5) –0.0 (1.3) –1.1 (2.1) –0.0 (1.3) –1.9 (2.9)
 Missing datab, n (%) 137 (6.8%) 24 (26.7%) 83 (5.3%) 16 (19.2%) 83 (5.3%) 40 (23.1%) 155 (7.6%) 17 (29.8%) 97 (6.1%) 10 (16.9%) 105 (6.4%) 27 (23.3%)
  1. a For the comparison between demented vs nondemented or AD vs non-AD subjects: all p ≤ 0.01
  2. b Subjects alive and present at the S4 (baseline of our analyses) visit who did not complete the neuropsychological test (refusal or abandon)
  3. FCSRT Free and Cued Selective Reminding Test, SD standard deviation