Table 2. Details of studies using the Wechsler Abbreviated Scale of Intelligence for Children.
| Author | Year | Area | Sample(I/C) | Intervention time(mo) | Test age(year) | Birth weight(I/C) | Gestational age(I/C) | Composition of long chain polyunsaturated fatty acids | FSIQ(I/C) | VIQ(I/C) | PIQ(I/C) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Almaas[27] | 2015 | Norway | 45/53 | 2 | 8.6 | 1028 (277)/ 1070 (315) |
28.6(2.9)/ 28.6(2.6) |
DHA+AA | 92.7±8.8/ 93.9±10 |
88.8±10.3/ 90.3±12.5 |
95±12.6/ 95.9±14.4 |
| Collins[28] | 2015 | Australia | 291/313 | 9.3 | 7 | 1307(420)/ 1320(410) |
30(28–31)/ 30(28–31) |
DHA+AA | 98.3±14/ 98.5±14.9 |
98±14.2/ 98.8±15.8 |
98.5±14.5/ 98.5±13.6 |
| Isaacs[29] | 2011 | British | 50/57 | 9 | 10 | 1454(369) 1512(338) |
30.6(2.3)/ 30.9(2.0) |
DHA+AA +EPA |
95.1±13.2/ 92.7±12.3 |
96.7±13.2/ 92.6±12.6 |
94.2±12.7/ 94.5±14.1 |
I: low birth weight with long chain polyunsaturated fatty acid supplementation. C: low birth weight without long chain polyunsaturated fatty acid supplementation. Mo: month.
FSIQ: full scale intelligence quotient of the Wechsler Abbreviated Scale of Intelligence for Children. VIQ: verbal intelligence quotient of the Wechsler Abbreviated Scale of Intelligence for Children. PIQ: performance intelligence quotient of the Wechsler Abbreviated Scale of Intelligence for Children. AA: Arachidonic acid. DHA: Docosahexaenoic acid. EPA: Eicosapentaenoic acid.