Figure 1

Changes over time in body weight (top) and body length (bottom) of infants with and without former BPD (means with 95% CIs) The p -values show the extent of statistical significance of the covariates gestational age (p GA ) and birth weight (p BW ); those of the main effects by postmenstrual age (p PMA ) and BPD (p BPD ); and that of the interaction (p AB ) of both factors. Statistically significant values are shown in bold.