TABLE 1.

Demographic clinical and outcome characteristics of pregnant women who provided myometrial samples.

Variable	Term Labor (TL) n = 7	Term Non-Labor (TNL) n = 7	P value
Clinical characteristics at the time of enrollment
Maternal age, years †	31 [18–35]	28 [27–34]	0.309
Parity †	0 [0–0]	1 [0–1]	0.054
Uterine contractions ‡	7 (100)	0 (0)	<0.001
Cervical dilatation before surgery, cm †	8 [5–10]	1 [1–1]	<0.001
Race §  Non-Hispanic white  African-American  Other	3 (43) 1 (14) 3 (43)	4 (57) 1 (14) 2 (29)	0.842
Clinical characteristics at the time of delivery
Gestational age at delivery, weeks †	40 [39–40]	39 [39–39]	0.165
Birth weight, grams †	3300 [2980–3480]	3060 [2900–3499]	0.359

^†Data presented as median [interquartile range] and analyzed by Kruskal-Wallis ANOVA on Ranks.

^‡Data presented as n (%) and analyzed by Fisher’s exact test.

^§Data presented as n (%) and analyzed by Chi square test.