Skip to main content

Table 3 Predictive accuracies of microbial species dominance at 16 weeks for gestation <34 weeks

From: The interaction between vaginal microbiota, cervical length, and vaginal progesterone treatment for preterm birth risk

CST Species Preterm birth <34 weeks Birth >34 weeks
Sens/DR (%) Spec (%) PPV (%) NPV (%) Sens/DR (%) Spec (%) PPV (%) NPV (%)
I L. crispatus 11 56 3 83 44 89 97 17
II L. gasseri 6 89 6 88 11 94 94 12
III L. iners 67 71 22 94 29 33 78 6
IV Diverse 6 93 9 89 7 94 91 11
V L. jensenii 11 92 14 89 8 89 86 11
  1. CST community state type based on ward HCA of species data, Sens/DR sensitivity or detection rate, Spec specificity, PPV/NPV positive/negative predictive values