Table 1.
Clinical and demographic characteristics of the patient population used to perform immunophenotyping of the decidua basalis
| Term without labor (n=15) |
Term labor (n=14) |
Term labor with ACA (n=10) |
Term labor with CCA (n=13) |
Preterm without labor (n=4) |
Preterm labor (n=8) |
Preterm labor with ACA (n=4) |
Preterm labor with CCA (n=14) |
p-value | |
|---|---|---|---|---|---|---|---|---|---|
| Maternal age (years; median [IQR])a | 24 (21–29) | 25 (21.3–30.3) | 23.5 (22–25.8) | 24 (22–29) | 30.5 (28–31) | 26 (20.5–29) | 34 (29.5–37) | 24.5 (21–29.8) | 0.5 |
| Body mass index (kg/m2; median [IQR])a | 31.8 (29.5–34.8) | 30.2 (25.3–36.8) | 29 (26.6–33.2) | 31.3 (26.6–37.3) | 34.2 (31.8–37.1) | 30.2 (21.7–41.1)c | 28.3 (25.2–34.7) | 24.3 (21.6–38.2) | 0.7 |
| Primiparityb | 13.3% (2/15) | 28.6% (4/14) | 40% (4/10) | 23.1% (3/13) | 0% (0/4) | 12.5% (1/8) | 0% (0/4) | 14.3% (2/14) | 0.6 |
| Raceb | 0.6 | ||||||||
| African-American | 73.3% (11/15) | 78.6% (11/14) | 90% (9/10) | 92.3% (12/13) | 75% (3/4) | 62.5%(5/8) | 75% (3/4) | 78.6% (11/14) | |
| Caucasian | 13.3%(2/15) | 21.4% (3/14) | 0% (0/10) | 7.7% (1/13) | 25% (1/4) | 25% (2/8) | 25% (1/4) | 14.3% (2/14) | |
| Asian | 0% (0/15) | 0% (0/14) | 10% (1/10) | 0% (0/13) | 0% (0/4) | 0% (0/8) | 0% (0/4) | 0% (0/14) | |
| Other | 13.3% (2/15) | 0% (0/14) | 0% (0/10) | 0% (0/13) | 0% (0/4) | 12.5% (1/8) | 0% (0/4) | 7.1% (1/14) | |
| Cesarean section | 100% (15/15) | 14.3% (2/14) | 20% (2/10) | 7.7% (1/13) | 100% (4/4) | 37.5% (3/8) | 25% (1/4) | 21.4% (3/14) | <0.001 |
| Gestational age at delivery (weeks; median [IQR])a | 39.1 (39–39.4) | 39 (38.2–40.2) | 39.4 (38.4–39.8) | 39.6 (38.9–40.1) | 34.7 (33.1–36.1) | 34.4 (31–35.5) | 34 (32.8–34.7) | 34.9 (33.3–36.3) | <0.001 |
| Birthweight (grams)a | 3225 (2930–3482.5) | 3515 (3121.3-3645) | 3392.5 (3348.8–3628.8) | 3460 (3155-3665) | 2025.5 (1392–2798.8) | 1932.5 (1401.5–3233.8) | 2130 (1487.5–2776.3) | 2240 (1887.5–2322.5) | <0.001 |
Data are given as median (interquartile range, IQR) and percentage (n/N). ACA = acute chorioamnionitis; CCA = chronic chorioamnionitis (please see Methods for definitions).
a
Kruskal-Wallis test.
b
Fisher’s exact test.
c
One missing data.