Table 3 Logistic regression model for predictors of preterm delivery

Delta

0.862

(0.759–7.381)

0.137

Diagnosed > 30 days prior to delivery

Reference

Diagnosed within 1–14 days prior to delivery

0.968

(0.679–10.212)

0.161

Diagnosed within 15–30 days prior to delivery

1.524

(0.887–23.739)

0.069

Vaginal

Reference

C-section

-0.581

(0.156–2)

0.371

Use of Antiviral agent during pregnancy

0.689

(0.442–8.972)

0.37

Use of Anticoagulants during pregnancy

-1.247

(0.036–2.294)

0.239

C/S secondary to maternal pre-existing condition^Ϯ

1.969

(0.453–113.159)

0.162

C/S secondary to worsening condition^ǂ

2.665

(3.328–62.027)

< 0.001

Artificial rupture of membranes

0.253

(0.468–3.542)

0.624