From: Self-reported pain scores as a predictor of preterm birth in symptomatic twin pregnancy: a retrospective study
Odds ratio
95 % CI
p
Numerical rating scale pain score
1.558
1.093–2.220
< 0.05*
Cervical length (cm)
3.174
1.262–7.936
Fibronectin (%)
8.772
1.097–70.135