| Clinical characteristics | Total | Group | p-value | |
| Late preterm | Term infant | |||
| Gyneco-obstetric |
|
|
|
|
| Delivery route (n (%))1/ |
|
|
|
|
| Cesarean | 136 (66.67) | 83 (81.37) | 53 (51.96) | 0.000* |
| Vaginal | 68 (33.33) | 19 (18.63) | 49 (48.04) | |
| Prenatal controls (n (%))1/ |
|
|
|
|
| <5 | 9 (4.41) | 9 (8.82) | 0 (0.00) | 0.002* |
| ≥5 | 195 (95.59) | 93 (91.18) | 102 (100.00) | |
| Maternal risk factors (n (%))1/ |
|
|
|
|
| Chorioamnionitis | 3 (1.47) | 1 (0.98) | 2 (1.96) | 0.561 |
| Premature rupture of membranes ≥ 18 h | 25 (12.25) | 18 (17.65) | 7 (6.86) | 0.019* |
| Fever | 9 (4.41) | 5 (4.90) | 4 (3.92) | 1.000 |
| Vaginitis | 96 (47.06) | 60 (58.82) | 36 (35.29) | 0.001* |
| Bacteriuria | 30 (14.71) | 16 (15.69) | 14 (13.73) | 0.693 |
| Foul-smelling amniotic fluid | 3 (1.48) | 1 (0.99) | 2 (1.96) | 1.000 |
| Neonatal |
|
|
|
|
| Gender (n (%))1/ |
|
|
|
|
| Male | 114 (55.88) | 61 (59.80) | 53 (51.96) | 0.259 |
| Female | 90 (44.12) | 41 (40.20) | 49 (48.04) | |
| 5-min Apgar score (n (%))1/ |
|
|
|
|
| <7 | 4 (1.96) | 1 (0.98) | 3 (2.94) | 0.621 |
| ≥7 | 200 (98.04) | 101 (99.02) | 99 (97.06) | |
| Birthweight (mean (SD))2/ gr | 2729 (503) | 2406 (363) | 3056 (404) | 0.000** |
| Gestational age (GA) (mean (SD))2/weak | 37 (2) | 35 (0.82) | 39 (1.09) | 0.000** |
| Small for Gestational age (n (%))1/ | 31 (15.20) | 16 (15.69) | 15 (14.71) | 0.845 |
| Postnatal |
|
|
|
|
| Diagnosis (n (%))1/ |
|
|
|
|
| Early-onset sepsis | 108 (52.94%) | 72 (70.59) | 36 (35.29) | 0.000* |
| RDS | 82 (40.20) | 57 (55.88) | 25 (24.51) | 0.000* |
| Jaundice | 127 (62.25) | 53 (51.96) | 74 (72.55) | 0.002* |
| Nasal cannula oxygen (n (%))1/ | 80 (39.22) | 58 (56.86) | 22 (21.57) | 0.000* |
| NIRS (n (%))1/ | 43 (21.08) | 35 (34.31) | 8 (7.84) | 0.000* |
| CMV (n (%))1/ | 9 (4.41) | 8 (7.84) | 1 (0.98) | 0.035* |
| Admission NICU (n (%))1/ | 51 (25.00) | 43 (42.16) | 8 (7.84) | 0.000* |
| Days length of hospital stay (mean (SD))2/ | 4.26 (3.59) | 4.97 (4.40) | 3.55 (2.35) | 0.005* |