| Gestational age (week) at birth | |||
| Factor Beta 95% CI p-value | |||
| Cervical dilation | 0.63 | [0.17, 1.09] | 0.007 |
| C. placental abruption | −5.06 | [−5.51, −4.60] | 0.00 |
| P. placental abruption | −1.33 | [−1.78, −0.88] | 0.00 |
| Placenta previa | −1.14 | [−1.49, −0.79] | 0.00 |
| Non-pregnancy | −0.51 | [−1.02, −0.01] | 0.045 |
| GA on admission (weeks) | 0.50 | [0.44, 0.57] | 0.00 |
| Preeclampsia | −1.18 | [−1.69, −0.67] | 0.00 |
| Diabetes | −1.11 | [−1.69, −0.53] | 0.00 |
| Thyroid disorder | −1.58 | [−2.31, −0.84] | 0.00 |
| Smoking | −1.00 | [−1.47, −0.52] | 0.00 |
| Birth weight | |||
| Factor Beta 95% CI p-value | |||
| Cervical dilation | 127.83 | [52.01, 203.64] | 0.001 |
| Placenta previa | −81.80 | [−140.04, −23,55] | 0.006 |
| Non-pregnancy | −139,22 | [−222.12, −56.32] | 0.001 |
| GA at birth (weeks) | 145,81 | [135.45, 156.17] | 0.00 |
| Apgar score at first minute | |||
| Factor Beta 95% CI p-value | |||
| P. placental abruption | 0.14 | [0.03, 0.25] | 0.01 |
| Placenta previa | 0.13 | [0.05, 0.22] | 0.002 |
| Non-pregnancy | −0.18 | [−0.31, −0.06] | 0.003 |
| Birth weight below 1500 gr. | −1.04 | [−1.77, −0.31] | 0.005 |
| GA on admission (weeks) | 0.03 | [0.02, 0.05] | 0.00 |
| Apgar score at fifth minute | |||
| Factor Beta 95% CI p-value | |||
| Non-pregnancy | 0.31 | [0.13, 0.49] | 0.00 |
| Unknown etiology | 0.16 | [0.02, 0.30] | 0.02 |
| GA below 32 weeks | −0.51 | [−0.71, −0.31] | 0.00 |
| Apgar score at first minute | 0.20 | [0.09, 0.31] | 0.00 |
| Modus of delivery (CS) | |||
| Factor OR 95% CI p-value | |||
| C. placental abruption | 38.81 | [12.96, 116.19] | 0.00 |
| P. placental abruption | 6.79 | [2.25, 20.52] | 0.001 |
| Placenta previa | 2325.60 | [254.49, 21252.00] | 0.00 |
| Unknown etiology | 9.99 | [3.40, 29.33] | 0.00 |
| GA at delivery (weeks) | 0.91 | [0.89, 0.94] | 0.00 |
| Diabetes | 7.24 | [2.19, 23.92] | 0.001 |
| Previous miscarriage | 7.23 | [2.04, 25.59] | 0.002 |
| Smoking | 5.24 | [2.79, 9.83] | 0.00 |