Skip to main content
. Author manuscript; available in PMC: 2014 May 21.
Published in final edited form as: J Pediatr Gastroenterol Nutr. 2006 Jul;43(1):35–41. doi: 10.1097/01.mpg.0000226368.24332.50

TABLE 4.

Longitudinal data on patients (n = 26)

Time 1 Time 2 P *
Physical characteristics
    PMA, wk 33.32 ± 1.65 36.32 ± 1.92 0.001
    Body weight at study, kg 1.64 ± 0.36 2.2 ± 0.42 0.001
    Body length at study, cm 41.42 ± 2.99 44.04 ± 2.45 0.01
    BSA at study, m2 0.13 ± 0.02 0.16 ± 0.02 0.001
    Head circumference at study, cm 28.71 ± 2.18 32.41 ± 3.29 0.001
Esophageal characteristics
    LES length, cm 0.8 ± 0.29 1.02 ± 0.32 0.015
    UES length, cm 0.88 ± 0.34 1.06 ± 0.34 0.047
    Nares-LES-UB, cm 15.08 ± 1.14 15.84 ± 1.11 0.023
    Nares-UES-UB, cm 7.56 ± 1.05 8.11 ± 0.69 0.031
    True esophageal body length, cm 6.57 ± 0.51 6.66 ± 0.54 0.515
*

Paired t test.

PMA, postmenstrual age; BSA, body surface area; LES, lower esophageal sphincter; UES, upper esophageal sphincter; UB, upper border.