TABLE 7.
RBC fatty acids by quintile of KABC-II scores for White children1
| Quintiles of test scores2 | ||||||
|---|---|---|---|---|---|---|
| KABC-II | 1 | 2 | 3 | 4 | 5 | P 3 |
| Sequential, n | 35 | 23 | 33 | 29 | 37 | |
| DHA | 4.93 ± 1.34 | 5.62 ± 1.18 | 5.49 ± 1.76 | 5.33 ± 1.72 | 5.80 ± 1.51 | 0.012 |
| 22:5ω-6 | 0.72 ± 0.18 | 0.64 ± 0.14 | 0.58 ± 0.15 | 0.63 ± 0.18 | 0.62 ± 0.20 | 0.029 |
| 22:4ω-6 | 3.66 ± 0.75 | 3.50 ± 0.63 | 3.23 ± 0.75 | 3.28 ± 0.78 | 3.33 ± 0.76 | 0.051 |
| DHA/22:4ω-6 + 22:5ω-64 | 1.24 ± 0.73 | 1.42 ± 0.48 | 1.54 ± 0.77 | 1.48 ± 0.76 | 1.56 ± 0.62 | 0.002 |
| Learning, n | 31 | 37 | 29 | 28 | 29 | |
| DHA | 5.09 ± 1.61 | 5.68 ± 1.71 | 5.37 ± 1.42 | 5.04 ± 1.49 | 5.71 ± 1.36 | 0.111 |
| 22:5ω-6 | 0.65 ± 0.18 | 0.62 ± 0.17 | 0.59 ± 0.20 | 0.64 ± 0.17 | 0.68 ± 0.18 | 0.585 |
| 22:4ω-6 | 3.33 ± 0.79 | 3.31 ± 0.69 | 3.23 ± 0.75 | 3.58 ± 0.77 | 3.66 ± 0.71 | 0.093 |
| DHA/22:4ω-6 + 22:5ω-64 | 1.37 ± 0.66 | 1.55 ± 0.76 | 1.56 ± 0.86 | 1.28 ± 0.55 | 1.39 ± 0.54 | 0.707 |
| Simultaneous, n | 34 | 24 | 35 | 32 | 38 | |
| DHA | 5.27 ± 1.32 | 5.26 ± 1.70 | 5.31 ± 1.95 | 5.39 ± 1.43 | 5.63 ± 1.30 | 0.248 |
| 22:5ω-6 | 0.63 ± 0.15 | 0.65 ± 0.17 | 0.63 ± 0.22 | 0.63 ± 0.20 | 0.66 ± 0.15 | 0.420 |
| 22:4ω-6 | 3.48 ± 0.72 | 3.28 ± 0.73 | 3.32 ± 0.82 | 3.36 ± 0.71 | 3.61 ± 0.87 | 0.492 |
| DHA/22:4ω-6 + 22:5ω-64 | 1.32 ± 0.40 | 1.50 ± 0.95 | 1.48 ± 0.82 | 1.46 ± 0.72 | 1.41 ± 0.55 | 0.710 |
| MPI, n | 28 | 28 | 42 | 26 | 27 | |
| DHA | 5.06 ± 1.56 | 5.52 ± 1.71 | 5.53 ± 1.55 | 4.94 ± 1.23 | 5.94 ± 1.50 | 0.037 |
| 22:5ω-6 | 0.65 ± 0.16 | 0.63 ± 0.17 | 0.61 ± 0.19 | 0.66 ± 0.18 | 0.65 ± 0.18 | 0.989 |
| 22:4ω-6 | 3.40 ± 0.72 | 3.37 ± 0.85 | 3.30 ± 0.72 | 3.46 ± 0.74 | 3.55 ± 0.75 | 0.450 |
| DHA/22:4ω-6 + 22:5ω-64 | 1.37 ± 0.79 | 1.49 ± 0.75 | 1.52 ± 0.75 | 1.30 ± 0.59 | 1.49 ± 0.54 | 0.147 |
| Delayed Recall, n | 24 | 26 | 38 | 33 | 29 | |
| DHA | 5.11 ± 1.36 | 5.49 ± 1.72 | 5.48 ± 1.78 | 5.58 ± 1.33 | 5.00 ± 1.40 | 0.765 |
| 22:5ω-6 | 0.65 ± 0.13 | 0.59 ± 0.20 | 0.62 ± 0.18 | 0.66 ± 0.18 | 0.69 ± 0.17 | 0.290 |
| 22:4ω-6 | 3.44 ± 0.71 | 3.33 ± 0.80 | 3.49 ± 0.93 | 3.44 ± 0.74 | 3.56 ± 0.58 | 0.502 |
| DHA/22:4ω-6 + 22:5ω-64 | 1.31 ± 0.51 | 1.56 ± 0.80 | 1.50 ± 0.94 | 1.44 ± 0.53 | 1.22 ± 0.46 | 0.500 |
1
KABC-II, Kaufman Assessment Battery for Children, 2nd edition; MPI, Mental Performance Index
2
Minimum–maximum of test scores in quintiles 1–5 were as follows—for KABC Sequential: 15–17, 18–19, 21–22, 23–24, 25–34; KABC Learning: 11–17, 18–20, 21–23, 24–26, 27–35; Simultaneous: 13–30, 31–32, 33–35, 36–38, 39–51; MPI: 39–68, 69–73, 74–82, 83–86, 87–113; Delayed Recall: 9–17, 18–19, 20–22, 23–25, 26–32.
3
Quintiles 1 and 5 were compared by Student's t test unless otherwise indicated.
4
Quintiles 1 and 5 were compared by Mann–Whitney U test.