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. Author manuscript; available in PMC: 2014 Dec 1.
Published in final edited form as: Early Hum Dev. 2013 Aug 29;89(12):10.1016/j.earlhumdev.2013.08.009. doi: 10.1016/j.earlhumdev.2013.08.009

Table 1.

Sample Characteristics

Characteristic N (%)
Ventilation
    Early Extubation and CPAP 261 (50)
    Early Surfactant and Ventilation 265 (50)
Oxygen level
    High target SpO2 (91-95%) 273 (52)
    Low target SpO2 (85-89%) 253 (48)
Gestational age...mean (SD) 26 (1)
Birth weight...mean (SD) 853 (192)
Male 293 (56)
IVH III-IV/cPVL 73 (14)
Severe ROP 59 (12)
BPD 196 (37)
Corrected age at follow-up visit...mean (SD) 20 (2)
Education
    Less than high school 127 (25)
    High school graduate 153 (30)
    Some college or more 235 (46)
Race/Ethnicity
    Black, non-Hispanic 165 (31)
    White, non-Hispanic 229 (24)
    Hispanic 115 (22)
    Other/Unknown 17 (3)

Note: N=526.