Figure 1From: Polymorphisms in immunoregulatory genes and the risk of histologic chorioamnionitis in Caucasoid women: a case control study Relationship of chorioamnionitis with gestation at delivery. Kaplan-Meier survival estimates in 181 women where all gestations proceeded to delivery < 35 weeks. Effect of chorioamnionitis (C) versus no chorioamnionitis (NC), P < 0.001. Significance was tested using Breslow-Gehan Chi square analysis with 1 degree of freedom.Back to article page