Document Classification

Section Type: RESULTS

Text: Vaginal progesterone was also associated with a significant reduction in the rate of preterm birth before 28 weeks (5. 1 % vs 10. 3 % ; RR, 0. 50 ; 95 % CI, 0. 25-0. 97 ; P = 0. 04) and 35 weeks (14. 5 % vs 23. 3 % ; RR, 0. 62 ; 95 % CI, 0. 42-0. 92 ; P = 0. 02), respiratory distress syndrome (3. 0 % vs 7. 6 % ; RR, 0. 39 ; 95 % CI, 0. 17-0. 92 ; P = 0. 03), any neonatal morbidity or mortality event (7. 7 % vs 13. 5 % ; RR, 0. 57 ; 95 % CI, 0. 33-0. 99 ; P = 0. 04) and birth weight < 1500 g (6. 4 % (15/234) vs 13. 6 % (30/220) ; RR, 0. 47 ; 95 % CI, 0. 26-0. 85 ; P = 0. 01).