Supporting information
Table S1 – Comparison of socio-demographics and obstetrics
characteristics between the cohort and P5 trial screening phase (only
singleton pregnancies)
Table S2 - Multivariate logistic regression analysis for total and sPTB
at different gestational ages
Table S3 – Cervical length x PTB with adjusted OR for BMI,
comorbidities, obstetrical history, funneling and sludge (tables S3.1,
S3.2 and S3.3)
Table S4 – TVU measurement of CL performance for predicting preterm
birth
Figure S1 – Patient enrolment flowchart
Figure S2– Kaplan-Meyer survival analysis for sPTB considering
different ranges of CL