Table 1 Demographic characteristics of twin pairs
From: The heritability of metabolic profiles in newborn twins
DZ (n=274) | MZ (n=107) | P-value | |
|---|---|---|---|
Gender of twin pair | 0.06a | ||
Female–Female | 45 (16.4%) | 58 (54.2%) | |
Male–Female | 165 (60.2%) | 0 (0%) | |
Male–Male | 64 (23.4%) | 49 (45.8%) | |
Gestational age of twin pair (weeks) | 35.6 (2.5) | 35.7 (2.3) | 1.00 |
TPN (one or both twins) | 29 (10.6%) | 9 (8.4%) | 0.53 |
Abnormal screen (one or both twins) | 42 (15.3%) | 19 (17.8%) | 0.56 |
Weight (grams) (averaged for each twin pair) | 2397.9 (496.9) | 2364.7 (465.8) | 0.19 |
Age at screening (hours) (averaged for each twin pair) | 35.2 (11.8) | 35.2 (13.0) | 0.55 |
