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Table 1 Comparison of mean intake of each nutrient among AD, MCI and normal groups

From: Association between intake of B vitamins and cognitive function in elderly Koreans with cognitive impairment

  All (n = 321) AD (n = 100) MCI (n = 100) Normal (n = 121) p-value
Unadjusted2 Adjusted3
Energy (kcal)       
  Diet only 1487.3 ± 445.3 1450.4 ± 449.5 1447.4 ± 477.7 1550.9 ± 408.9 0.045 0.161
  Total 1490.4 ± 445.51 1451 ± 449.6 1450.6 ± 477.6 1555.8 ± 409.1 0.040 0.170
Protein (g/d)       
  Diet only 56.0 ± 22.6 54.9 ± 23.7 53.4 ± 23.3 59.1 ± 20.9 0.022 0.460
  Total 56.0 ± 22.6 54.9 ± 23.7 53.4 ± 23.3 59.1 ± 20.9 0.022 0.558
Vitamin B2 (mg/d)       
  Diet only 0.9 ± 0 .4 0.8 ± 0.4 0.8 ± 0.4 0.9 ± 0.4 0.007 0.360
  Total 2.3 1.8 ± 2.9 2.7 ± 6.2 2.4 ± 5.3 0.410 0.597
Vitamin B6 (mg/d)       
  Diet only 1.6 ± 0.7 1.5 ± 0.7 1.5 ± 0.7 1.7 ± 0.6 0.008 0.442
  Total 3.3 ± 6.6 2.4 ± 2.4 3.8 ± 7.9 3.6 ± 7.7 0.358 0.432
Vitamin B12 (μg/d)       
  Diet only 5.7 ± 7.1 5.4 ± 6.7 5.5 ± 7.1 6.1 ± 7.4 0.170 0.586
  Total 8.2 ± 14.1 6.7 ± 9.8 7.5 ± 9.9 10.0 ± 19.0 0.185 0.608
Folate (μg DFE/d)       
  Diet only 437.6 ± 209.8 402.3 ± 215.5 418.7 ± 204.4 482.5 ± 203.2 0.002 0.316
  Total 469.7 ± 227.1 432.9 ± 232.2 455.7 ± 220.4 511.6 ± 223.5 0.006 0.499
  1. 1Values are mean ± SD.
  2. 2Analyzed by ANOVA after log transformed.
  3. 3Analyzed by GLM at p < 0.05 after log transformed, adjusted for age, sex, BMI, marital status, education, current smoking, energy intake(ln), thyroid disease and vascular risk factors (hypertension, diabetes mellitus, dyslipidemia, stroke and cardiovascular disease) as covariates.