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. Author manuscript; available in PMC: 2010 Jan 1.
Published in final edited form as: Neurobiol Aging. 2008 May 5;31(1):17–24. doi: 10.1016/j.neurobiolaging.2008.03.011

Table 5.

Baseline Serum Lipids, in Tertiles, Predicting Impairment on TMT-Ba

Lipids in Tertiles
Total N
Categorical
2 vs. 1
3 vs. 1
Lipid Events HR (95% CI) p-value HR (95% CI) p-value HR (95% CI) p-value
Total SM 34 87 1.33 (0.86-2.06) 0.196 1.25 (0.50-3.13) 0.630 1.76 (0.73-4.21) 0.205
Ceramides
C16:0 33 80 1.15 (0.76-1.73) 0.514 2.18 (0.90-5.28) 0.085 1.35 (0.56-3.28) 0.507
C18:0 26 65 0.84 (0.50-1.40) 0.499 1.06 (0.38-2.94) 0.908 0.68 (0.23-2.00) 0.488
C20:0 27 67 1.14 (0.71-1.83) 0.576 1.86 (0.67-5.21) 0.236 1.39 (0.51-3.80) 0.525
C22:0 32 82 1.17 (0.74-1.83) 0.506 1.95 (0.77-4.92) 0.156 1.43 (0.54-3.83) 0.475
C24:1 34 86 1.15 (0.76-1.74) 0.502 2.29 (0.94-5.54) 0.067 1.44 (0.58-3.59) 0.437
C24:0 34 86 1.25 (0.83-1.90) 0.288 1.54 (0.60-3.95) 0.372 1.61 (0.69-3.79) 0.274
Galactosyl C12:0 26 69 1.02 (0.63-1.65) 0.936 1.07 (0.37-3.12) 0.904 1.04 (0.40-2.74) 0.931
Lactosyl C12:0 29 67 1.28 (0.78-2.08) 0.330 1.38 (0.55-3.51) 0.494 1.62 (0.60-4.35) 0.341
Stearoyl 33 84 1.13 (0.75-1.72) 0.559 1.89 (0.78-4.59) 0.159 1.33 (0.54-3.27) 0.536
Sulfatide 29 73 1.51 (0.91-2.52) 0.110 0.75 (0.27-2.04) 0.568 2.20 (0.87-5.53) 0.094
SM/Cholesterol ratio 34 86 1.34 (0.86-2.07) 0.192 1.43 (0.58-3.49) 0.434 1.80 (0.74-4.37) 0.193
Total cholesterol 34 87 0.88 (0.58-1.34) 0.564 1.49 (0.66-3.40) 0.340 0.75 (0.30-1.89) 0.540

HR = Hazard Ratio; CI = Confidence Interval

a

Models control for baseline age, blood glucose level, and BMI