“…The discrepancy in the W/L ratio between the BNRN and IG21 populations may be explained by the fact that the latter included mothers of widely varying size (particularly height) and few females with BW in the lower 50 th percentile range, which could have led to the greater W/L ratios in the BNRN reference. 18 The kappa agreement was substantial only for SGA10 and LGA.…”