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Table 4 Subject demographics analysis

From: Sex differences in the late first trimester human placenta transcriptome

Demographics of patient samples for RNA-Seq Female infants
(n = 17)
Male infants
(n = 22)
P value n
Maternal age, years 39.4 ± 1.8 39.4 ± 2.9 0.9974a 39
Maternal race: Caucasian 17 (100%) 22 (100%) N/A 39
Maternal ethnicity: Hispanic 2 (12%) 3 (14%) 1b 39
Maternal pre-pregnancy BMI, kg/m2 22.7 ± 3.5 21.9 ± 2.8 0.4416a 39
Gestational age at CVS, days 86 ± 7 81 ± 6 0.0503a 39
Crown-rump length (CRL), mm 58.8 ± 12.8 51.8 ± 10.2 0.0714a 37
Normal karyotype at CVS 17 (100%) 22 (100%) N/A 39
Gestational age at delivery, days 272 ± 10 276 ± 11 0.1958a 37
Birth weight, grams 3176 ± 405 3715 ± 407 0.0006a* 34
  1. *Significant
  2. aStudent’s t test
  3. bFisher’s exact test
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