Table 1: Characteristics of study infants.

Barrel
( )
Shoulder
( 5)
Tip
( )

Gender (♂ : ♀) 6 : 9 7 : 8 4 : 11
GAbirth (weeks) 39.18 (1.21) 39.04 (1.26) 39.14 (1.2)
PMAtest (weeks) 51.91 (3.68) 49.37 (3.91) 48.98 (3.54)