Table 1.

Clinical and Demographic Information

	TNIL (n = 13)	TL (n = 11)	PTB (n = 13)	pPROM (n = 8)	P Value
Age, y	28.6 ± 4	27 ± 5.6	26.5 ± 5.5	24 ± 6.8	0.3
Gestational age, wk	38.6 [38.2–39.3]	39 [37.3–39.5]	36 [35.1–36.3]	34 [32.2–34.5]	<0.001
Birth weight, g	3950 [3225–3724]	3322 [2863–3402]	2948 [2291–3058]	2346 [2182–2723]	<0.001
Gravidity	2 [2–3]	2 [1–4]	2 [1–4.5]	2 [1.25–2]	0.31
Nulliparity	0 (0)	4 (36)	5 (38)	3 (38)	0.1
History of PTD	1 (8)	0 (0)	5 (38)	0 (0)	0.02
Smoking	1 (8)	0 (0)	1 (8)	1 (12.5)	0.7
GBS					0.04
Negative	8 (62)	11 (100)	7 (54)	4 (57)
Positive	4 (31)	0 (0)	1 (8)	1 (14)
Unknown	1 (8)	0 (0)	5 (38)	2 (29)
Race					0.32
White	12 (92)	8 (73)	11 (85)	8 (100)
Black	1 (8)	3 (27)	2 (15)	0 (0)
Marital status					0.28
Single	2 (15)	5 (45)	6 (46)	4 (50)
Married	11 (85)	5 (45)	7 (54)	4 (50)
Divorced	0 (0)	1 (9)	0 (0)	0 (0)
High school education, y	12 [12–12]	12 [12–12]	12 [12–12]	12 [12–12]	0.48
College education, y	2 [0–4]	0 [0–2.5]	0 [0–2]	0 [0–2.25]	0.48

Data are reported as mean ± SD, median [interquartile range] or n (%).

Abbreviation: GBS, group B Streptococcus.