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. Author manuscript; available in PMC: 2010 Sep 1.
Published in final edited form as: Early Hum Dev. 2009 Jun 7;85(9):561–567. doi: 10.1016/j.earlhumdev.2009.05.012

Table 1.

Demographic and Medical Characteristics of Infants (n = 14)

Variables Values
Gestational age: 30 weeks 5 (36%)
31 weeks 3 (21%)
32 weeks 6 (43%)
Gender: Male 8 (57%)
Female 6 (43%)
IVH incidence: None 13 (93%)
Grade I 1 (7%)
Race/Ethnicity: Caucasian NonHisp 7 (50%)
NonCauc Hispanic 7 (50%)

Postnatal age (days) 6 ± 1
Birth weight (g) 1775 ± 292
Weight on the day of study (g) 1706 ± 293
1 minute APGAR score 7 ± 2
5 minutes APGAR score 8 ± 1
Number of previous pain experiences 29 ± 7

Note: IVH= intraventricular hemorrhage