Table 1.

Treatment effect estimates for fat free mass (kg) at 7 years corrected age from the Docosahexaenoic Acid for the Improvement of Neurodevelopmental Outcome in Preterm Infants trial.

Method of analysis	Mean difference	Standard error	95% confidence interval
Unadjusted CCA	−0.007	0.259	−0.514, 0.500
CCA	0.048	0.238	−0.420, 0.515
MI overall m = 50	−0.104	0.233	−0.562, 0.353
MI by group m = 50	−0.118	0.227	−0.563, 0.327
Linear mixed model	−0.097	0.231	−0.551, 0.356