Table 2 -.

Patient Characteristics

Characteristic	Patients (N=49)
Post-menstrual age at birth (weeks)	25.0 (22.0, 28.0)
Birth weight (grams)	660.0 (420.0, 915.0)
Sex
Female	28/49 (57%)
Race
Asian	1/49 (2%)
Black/African American	27/49 (55%)
Other	5/49 (10%)
White/Caucasian	16/49 (33%)
Ethnicity
Hispanic or Latino	3/49 (6%)
Not Hispanic or Latino	44/49 (90%)
Not Reported	2/49 (4%)
Inborn/Outborn
Inborn	40/49 (82%)
Mode of Delivery
Vaginal	18/49 (37%)
Caesarian section	31/49 (63%)
5 Minute APGAR	6 (1, 9)
Antenatal Steroids	39/49 (80%)
Surfactant Therapy	47/49 (96%)
Site
UNC	27/49 (55%)
Duke	22/49 (45%)

Values presented are counts (%) for categorical variables or median (min,max) for continuous variables