Table 3.

Association between the frequency of amniotic fluid gasdermin D concentrations > 0.249 ng/mL and the presence of sterile intra-amniotic inflammation or intra-amniotic infection in women who underwent spontaneous preterm labor

Group comparisons	Odds ratio	p-value
Preterm labor who delivered preterm without intra-amniotic inflammation vs. Preterm labor who delivered at term	1.3 (0.2-15.1)	0.8
Preterm labor who delivered preterm with sterile intra-amniotic inflammation vs. Preterm labor who delivered at term	21 (4.6-202.6)	<0.001
Preterm labor who delivered preterm with intra-amniotic infection vs. Preterm labor who delivered at term	147 (23.4-1862.7)	<0.001
Preterm labor who delivered preterm with sterile intra-amniotic inflammation vs. Preterm labor who delivered preterm without intra-amniotic inflammation	15.8 (4.3-86.4)	<0.001
Preterm labor who delivered preterm with intra-amniotic infection vs. Preterm labor who delivered preterm without intra-amniotic inflammation	110.6 (21.3-916.9)	<0.001
Preterm labor who delivered preterm with intra-amniotic infection vs. Preterm labor who delivered preterm with sterile intra-amniotic inflammation	7 (1.8-39.4)	0.004

Odds ratios are shown with 95% confidence intervals.

P-values were obtained using the Fisher’s exact test.