GI (PROM+)

GII (PROM+/−)

GIII (controls)

p value

Age (years)

25.9 ± 4.9 (18 - 39)

26.4 ± 5.4 (18 - 39)

26.2 ± 6.1 (18 - 41)

>0.05

Parity

1.8 ± 1.1(0 - 5)

2.1 ± 1.4 (0 - 6)

2.3 ± 0.9 (0 - 5)

>0.05

BMI

27.3 ± 2.1 (20 - 32)

28.2 ± 2.3 (21 - 34)

28.2 ± 2.5 (18 - 35)

>0.05

GA (weeks)

32.5 ± 2.7 (26 - 36w)

31.7 ± 2.9 (26 - 37w)

32.9 ± 3.4 (26 - 37w)

>0.05

AFI ≤ 5 (%)

38%

12%

2%

<0.05

Vaginal fluid creatinine (mg/dl)

1.1 ± 0.38 (0.65 - 2.1)

0.31 ± 0.26 (0 - 0.89)

0.09 ± 0.076 (0 - 0.27)

<0.05

Vaginal fluid urea (mg/dl)

1.87 ± 0.42 (0.67 - 4.2)

0.32 ± 0.28 (0 - 0.92)

0.11 ± 0.091 (0 - 0.21)

<0.05

Vag.fluid hCG positive (%)

78%

14%

0%

<0.05