Clinical Study
Mode of Delivery in Drug-Dependent Pregnant Women: A Case Control Study
Table 4
Factors that influence the mode of delivery in drug-dependent patients.
| | Vaginal delivery () | Cesarean section () | Odds ratio (95% CI) | value |
| Maternal characteristics | | | | | Maternal age (years) | 28.13 (5.28) | 29.39 (5.86) | | 0.297 | Body mass index (Kg/m2) | 21.82 (3.85) | 22.04 (3.28) | | 0.452 | Ethnicity | | | 0.889 (0.097–8.157) | 0.917 | Caucasian | 189 (97.9) | 42 (97.7) | | | Non-Caucasian | 4 (2.1) | 1 (2.3) | | | Nulliparous | 84 (43.5) | 25 (58.1) | 1.802 (0.923–3.520) | 0.082 | Previous cesarean section | 13 (6.7) | 9 (20.9) | 3.665 (1.453–9.248) | 0.008 | Previous vaginal delivery | 97 (50.3) | 9 (20.9) | 0.262 (0.119–0.576) | <0.001 | Pattern of consumption | | | | | State of consumption | | | 0.646 (0.325–1.281) | 0.209 | Active | 135 (70.3) | 26 (60.5) | | | Nonactive | 57 (29.7) | 17 (39.5) | | | Type of drug | | | | | Only opioids | 71 (36.8) | 22 (51.2) | 1.800 (0.925–3.503) | 0.081 | Only cocaine | 3 (1.6) | 1 (2.3) | 1.508 (0.153–14.857) | 0.555 | Only cannabinoids | 15 (7.8) | 1 (2.3) | 0.283 (0.036–2.199) | 0.317 | Mixed | 104 (53.9) | 19 (44.2) | 0.677 (0.348–1.317) | 0.350 | Route of administration | | | | | Intravenous | 33 (17.2) | 8 (18.6) | 1.101 (0.469–2.589) | 0.825 | Smoked | 91 (47.4) | 22 (51.2) | 1.163 (0.600–2.253) | 0.655 | Mixed | 17 (77.3) | 5 (22.7) | 1.354 (0.471–3.898) | 0.566 | Substitution maintenance therapy | | | | | Methadone | 128 (66.3) | 28 (65.1) | 0.948 (0.473–1.898) | 0.880 | Buprenorphine | 13 (6.7) | 5 (11.6) | 1.822 (0.613–5.414) | 0.336 | Naltrexone | 4 (2.1) | 1 (2.3) | 1.125 (0.123–10.324) | 1.000 | None | 48 (24.9) | 9 (20.9) | 0.800 (0.358–1.787) | 0.585 | Infectious diseases | | | | | Hepatitis C | 91 (47.2) | 27 (62.8) | 1.891 (0.958–3.733) | 0.064 | Hepatitis B | 4 (2.1) | 2 (4.7) | 2.305 (0.408–13.009) | 0.300 | Syphilis | 4 (2.1) | 2 (4.7) | 2.305 (0.408–13.009) | 0.300 | Associated addictions | | | | | Smoking history | 148 (82.2) | 32 (78) | 0.769 (0.334–1.767) | 0.535 | Alcohol use | 12 (6.8) | 3 (7.5) | 1,115 (0.299–4.150) | 0.871 | Pregnancy data | | | | | Delayed prenatal care | 123 (63.7) | 29 (67.4) | 1.179 (0.584–2.379) | 0.646 | Placental abnormalities | 0 | 2 (4.7) | 0.175 (0.133–0.231) | 0.033 | Hypertensive complications | 5 (2.6) | 2 (4.7) | 1.834 (0.344–9.785) | 0.614 | Fetal growth restriction | 39 (20.2) | 9 (20.9) | 1.045 (0.463–2.360) | 0.915 | Labor characteristics | | | | | Gestational age (weeks) | 37.98 (1.56) | 37.86 (1.73) | | 0.895 | Fetal presentation | | | 25.313 (7.839–81.734) | <0.001 | Cephalic | 189 (97.9) | 28 (65.1) | | | Noncephalic | 4 (2.1) | 15 (34.9) | | | Induction of labor | 49 (25.8) | 9 (20.9) | 0.762 (0.341–1.701) | 0.506 | Newborn birth weight (g) | 2781.99 (508.96) | 2719.30 (541.49) | | 0.786 |
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Values are mean (standard deviation) for continuous variables or (%) for categorical variables.
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