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Table 1 Baseline demographic and clinical characteristics of the ADNI cohort for A β-positive subjects and all subjects

From: Predicting progression and cognitive decline in amyloid-positive patients with Alzheimer’s disease

   Overall Aβ-positive Missing CN MCI AD All subjects All missing
n   749   132 411 206 2293  
AGE, mean (SD)   73.7 (7.2) 1 75.2 (6.0) 73.2 (7.0) 73.6 (8.1) 73.2 (7.2) 9
Gender, n (%) m 415 (55.4) 0 55 (41.7) 247 (60.1) 113 (54.9) 1217 (53.2) 5
  f 334 (44.6)   77 (58.3) 164 (39.9) 93 (45.1) 1071 (46.8)  
MMSE, mean (SD)   26.5 (2.8) 0 29.0 (1.2) 27.4 (1.9) 23.3 (2.0) 27.4 (2.66) 5
ADAS13, mean (SD)   20.1 (9.6) 5 10.2 (4.6) 18.4 (6.7) 30.3 (7.7) 17.0 (9.25) 29
TAU, mean (SD)   337.1 (139.2) 7 281.5 (102.5) 334.3 (141.9) 378.6 (141.5) 285.6 (132.9) 1010
ABETA42, mean (SD)   754.0 (320.0) 0 885.3 (396.5) 761.5 (311.6) 654.8 (240.7) 1090.7 (607.5) 1014
FDG, mean (SD)   1.19 (0.15) 157 1.29 (0.11) 1.22 (0.14) 1.06 (0.13) 1.23 (0.15) 806
APOE4, n (%) 0 245 (34.5) 39 63 (50.4) 133 (34.5) 49 (24.6) 1162 (54.1) 147
  1 345 (48.6)   56 (44.8) 187 (48.4) 102 (51.3) 780 (36.4)  
  2 120 (16.9)   6 (4.8) 66 (17.1) 48 (24.1) 204 (9.5)  
Hippocampus, mean (SD)   6517.6 (1091.6) 168 7300.8 (788.8) 6585.0 (1029.8) 5883.8 (1008.4) 6794.0 (1185.7) 806
AV45, mean (SD)   1.37 (0.20) 312 1.29 (0.21) 1.36 (0.20) 1.44 (0.18) 1.21 (0.23) 1205
ABETARatio, mean (SD)   0.087 (0.029) 0 0.094 (0.020) 0.086 (0.023) 0.084 (0.023) 0.129 (0.057) 1014