Primary Outcome
There was no group difference in VSI score at a mean (SD) of 3.0 (1.8) months (difference, −0.6 points; 95% CI, −4.7 to 3.5 points) or 12.9 (2.6) months (difference, 0.1 points; 95% CI, −5.4 to 5.1 points) after finishing training, even after adjustment for both neurodevelopmental profile severity and multiple imputation (