Fig. 1.

Predictive value of mid-trimester cervicovaginal fluid cytokines for PTB expressed as ratios between 20⁺⁰–22⁺⁶ and 26⁺⁰–28⁺⁶ weeks. A. RANTES (n = 26), B. IL-1β (n = 33), analysed per-patient. All data (i.e. both term and preterm women) were included in the analyses.

AUC, area under the ROC curve, Sen, sensitivity, Spec, specificity.