Table 2.
% Serum phospholipid and cholesterol ester fatty acids in adolescent normal- and overweight adolescents, n=264
| % Plasma Fatty Acids | Normal Weight (n=190) mean |
Overweight (n=74) mean |
p-value |
|---|---|---|---|
| Phospholipids | |||
| 14:0 myristic acid | 0.41 | 0.44 | 0.008 |
| 15:0 pentadecanoic acid | 0.22 | 0.21 | 0.53 |
| 16:0 palmitic acid | 27.4 | 27.5 | 0.52 |
| 16:1 palmitoleic acid | 0.84 | 0.86 | 0.26 |
| 17:0 heptadecanoic acid | 0.47 | 0.45 | 0.04 |
| 18:0 stearic acid | 14.2 | 14.8 | <0.001 |
| 18:1 oleic acid | 14.0 | 13.6 | 0.05 |
| 18:2, n6 linoleic acid | 24.7 | 23.7 | 0.002 |
| 18:3, n3 α-linolenic acid | 0.20 | 0.20 | 0.71 |
| 18:3, n6 γ-linolenic acid | 0.07 | 0.11 | <0.001 |
| 20:3, n6 dh-γ-linolenic acid | 3.22 | 3.53 | <0.001 |
| 20:4, n6 arachidonic acid | 10.60 | 10.82 | 0.19 |
| 20:5, n3 EPA | 0.43 | 0.44 | 0.96 |
| 22:6, n3 DHA | 2.28 | 2.28 | 0.99 |
| Cholesterol Esters | |||
| 14:0 myristic acid | 0.83 | 0.89 | 0.05 |
| 15:0 pentadecanoic acid | 0.20 | 0.20 | 0.76 |
| 16:0 palmitic acid | 11.04 | 11.01 | 0.72 |
| 16:1 palmitoleic acid | 3.10 | 3.46 | 0.001 |
| 17:0 heptadecanoic acid | 0.11 | 0.10 | 0.04 |
| 18:0 stearic acid | 1.13 | 1.13 | 0.18 |
| 18:1 oleic acid | 18.6 | 18.1 | 0.02 |
| 18:2, n6 linoleic acid | 54.4 | 53.9 | 0.23 |
| 18:3, n3 α-linolenic acid | 0.49 | 0.50 | 0.28 |
| 18:3, n6 γ-linolenic acid | 0.93 | 1.05 | 0.009 |
| 20:3, n6 dh γ-linolenic acid | 0.80 | 0.88 | .001 |
| 20:4, n6 arachidonic acid | 7.58 | 7.97 | 0.02 |
| 20:5, n3 EPA | 0.38 | 0.44 | 0.002 |
| 22:6, n3 DHA | 0.37 | 0.41 | 0.08 |
Adjusted for age, sex, race, Tanner stage, energy intake, and physical activity
Overweight = age-gender specific ≥85%ile CDC growth charts
EPA: eicosapentenoic acid; DHA: docosahexenoic acid