Table 5.
Influence of sex on beneficial effects (95% confidence intervals) of preterm formula milk on verbal and overall IQ
| Trial (sex) | Gain in verbal IQ
|
Gain in overall IQ
|
|||
|---|---|---|---|---|---|
| All | Selected† | All | Selected† | ||
| Trial A | |||||
| Boys | 12.2** (3.7 to 20.6) | 14.4** (5.7 to 23.2) | 6.3 (−1.5 to 14.2) | 9.5* (1.2 to 17.7) | |
| Girls | −2.2 (−9.0 to 4.6) | −3.4 (−10.7 to 3.9) | −2.2 (−8.4 to 4.1) | −2.8 (−9.5 to 3.9) | |
| Trial B | |||||
| Boys | −3.7 (−10.6 to 3.2) | −0.7 (−10.5 to 12.0) | −1.0 (−6.4 to 4.4) | 2.7 (−6.1 to 11.5) | |
| Girls | 4.4 (−2.4 to 11.3) | 7.7 (−2.8 to 18.2) | 3.0 (−3.1 to 9.1) | 6.3 (−3.1 to 15.7) | |
| Trial A+B | |||||
| Boys | 2.9 (−2.7 to 8.4) | 7.9* (0.8 to 15.0) | 2.6 (−2.0 to 7.2) | 6.5* (0.5 to 12.5) | |
| Girls | 1.2 (−3.8 to 6.2) | 1.8 (−4.4 to 8.1) | 0.3 (−4.1 to 4.8) | 1.3 (−4.3 to 6.9) | |
*
P<0.05, **P<0.01 by t test.
†
Infants who received highest intakes of trial diet (see text).