Table 2.

Clinical Characteristics at Time of Study

Characteristic	Time-1	Time-2	P-value
Post menstrual age, wks	39.8 ± 4.8	44.1 ± 5.8	<0.01
Weight, kg	2.9 ± 0.8	3.8 ± 1.0	<0.01
Length, cm	46.5 ± 4.3	50.8 ± 5.2	<0.01
Head circumference, cm	32.7 ± 3.4	36.2 ± 2.9	<0.01
Feeding method (exclusive gavage: gavage + oral: exclusive oral), %	17: 44: 39	0:0:100	<0.01
Airway maintenance method (NCPAP: NC: no support), %	5: 56: 39	0: 56: 44	0.6

Data presented as mean ± SEM or %. NCPAP- nasal continuous positive airway pressure, NC- nasal cannula