Table 1. Comparison of pregnancy complications between TTD and XP cases with mutations in XPDa.

	TTD (n=43)	XP (n=37)	P-value
Gender
Male	20 (46.5)	21 (56.8)
Female	23 (53.5)	16 (43.2)
Twin birth
Yes	1 (2.3)	0 (0.0)	1.00
Preeclampsia
Yes	9 (20.9)	0 (0.0)	0.003
Decreased fetal movement reported by mother to physician
Yes	4 (9.3)	0 (0.0)	0.11
Abnormal maternal serum triple screen test results
Yes	6 (14.0)	0 (0.0)	0.02
Pre-term delivery (<37 weeks gestation)
Yes	20 (46.5)	0 (0.0)	<0.0001
Low birth weight (<2500 g)
Yes	18 (41.9)	0 (0.0)	<0.0001
Small for gestational age (SGA) (<10th percentile)
Yes	11 (25.6)	0 (0.0)	0.006
SGA (<3rd percentile)
Yes	9 (20.9)	0 (0.0)	0.003
Neonatal intensive care unit (NICU) admission
Yes	11 (25.6)	0 (0.0)	<0.0001

^aFigures represent actual number of patients while numbers in brackets are percentages.