subject_id, npdx, cdr_sb 101,normal,0 102,normal,.5 103,normal,1.0 104,normal, 1.5 105,normal, 2.0 106,normal, 2.5 107,normal, 3.0 108,normal, 3.5 109,normal, 4.0 110,normal, 4.5 111,normal, 5.5 112,premci, 0 113,premci, .5 114,premci, 1.0 115,premci, 1.5 116,premci, 2.0 117,premci, 2.5 118,premci, 3.0 119,premci, 3.5 120,premci, 4.0 121,premci, 4.5 122,premci, 5.5 123,emci, 0 124,emci, .5 125,emci, 1.0 126,emci, 1.5 127,emci, 2.0 128,emci, 2.5 129,emci, 3.0 130,emci, 3.5 131,emci, 4.0 132,emci, 4.5 133,emci, 5.5 134,lmci, 0 135,lmci, .5 136,lmci, 1.0 137,lmci, 1.5 138,lmci, 2.0 139,lmci, 2.5 140,lmci, 3.0 141,lmci, 3.5 142,lmci, 4.0 143,lmci, 4.5 144,lmci, 5.5 145,dementia, 0 146,dementia, .5 147,dementia, 1.0 148,dementia, 1.5 149,dementia, 2.0 150,dementia, 2.5 151,dementia, 3.0 152,dementia, 3.5 153,dementia, 4.0 154,dementia, 4.5 155,dementia, 5.5