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. Author manuscript; available in PMC: 2009 Oct 15.
Published in final edited form as: JAMA. 2008 Oct 15;300(15):1774–1783. doi: 10.1001/jama.300.15.1774

Table 2.

Changes from Baseline in Cognitive and Functional Measures

Test Change in Score from Baseline
3 mo 6mo 9mo 12mo 15mo 18mo
Cognitive and functional measures
ADAS-Cog
 Placebo 1.51±4.68 1.72±4.74 2.71±6.63 4.46±6.32 5.80±6.34 6.54±8.17
 B Vitamins 1.58±5.61 2.44±6.04 2.97±6.57 4.42±6.61 6.31±7.71 7.38±9.72
MMSE
 Placebo −0.67±2.89 −1.13±3.13 −1.70±3.83 −1.80±3.56 −2.51±3.59 −3.08±4.46
 B Vitamins −0.17±3.02 −0.44±3.19 −0.89±3.26 −1.64±3.84 −2.15±4.21 −2.65±4.56
CDR sum of boxes
 Placebo - 0.79±1.65 - 1.60±2.12 - 2.51±2.57
 B Vitamins - 0.69±1.67 - 1.50±1.92 - 2.58±2.45
Neuropsychiatric Inventory
 Placebo 0.64±4.83 1.03±8.82 0.76±8.90 1.19±9.31 3.83±13.74 2.20±11.12
 B Vitamins 0.71±6.31 0.97±10.82 0.12±11.27 1.03±10.53 2.97±11.20 3.31±12.84
Activities of Daily Living Scale
 Placebo - −2.86±7.80 - −7.82±10.00 - −10.00±11.09
 B Vitamins - −3.28±7.99 - −7.38±9.97 - −10.96±12.36

Note: ADAS total score rage: 0–70, 70 being the most impaired; MMSE total score range: 0–30, 30 being the least impaired; CDR sum of boxes range: 0–18, 18 being the most impaired; Neuropsychiatric Inventory range: 0–144, 144 being the most impaired; Activities of Daily Living Scale range: 0–78, 78 being the most impaired.