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. Author manuscript; available in PMC: 2010 Aug 1.
Published in final edited form as: Early Hum Dev. 2009 May 5;85(8):497–501. doi: 10.1016/j.earlhumdev.2009.04.005

Table 1.

Characteristics of the study population.

Gestational age 26–35 weeks (30.3 ± 2.5)*
Birth weight 805–1590 grams (1284 ± 237)*
Postconceptional age at study 33–38 weeks (35.1 ± 1.3)*
Study weight 1667–2293 grams (2103 ± 117)*
*

Range (mean ± SD)