Table 2.
Comparative analysis between late preterm infants and term infants.
| Variable | Category | Cases (212)% | Controls (212)% | P | OR 95% CI |
|---|---|---|---|---|---|
| Mother's age | <19 years | 49(23.11) | 47 (22.17) | 1 | |
| 19–35 | 140(66.04) | 146 (68.87) | 0.72 | 0.91 (0.57–1.46) | |
| > 35 | 23(10.85) | 19 (8.96) | 0.68 | 1.16 (0.56–2.40) | |
| Ethnicity of the mother | Mestizo | 125(58.96) | 133 (62.74) | 1 | |
| Afro | 81 (38.21) | 68 (32.08) | 0.25 | 1.26 (0.84–1.89) | |
| Indigenous | 6 (2.83) | 11 (5.19) | 0.29 | 0.58 (1.20–1.61) | |
| Mother's school level | None | 21 (9.91) | 17 (8.10) | 1 | |
| Primary complete | 113 (53.30) | 109 (51.90) | 0.61 | 0.83 (0.42–1.67) | |
| Secondary complete | 62 (29.25) | 68 (32.38) | 0.41 | 0.73 (0.35–1.52) | |
| Technical | 16 (7.55) | 16 (7.62) | 0.66 | 0.80 (0.31–2.07) | |
| Marital status of the mother | With partner | 146 (68.87) | 155 (73.11) | 1 | |
| No partner | 66 (31.13) | 57 (26.89) | 0.33 | 1.22 (0.8–1.87) | |
| Current pregnancy desired | If wanted | 65 (30.95) | 80 (38.46) | 1 | |
| Did not want | 145 (69.05) | 128 (61.54) | 0.10 | 1.39 (0.93–2.08) | |
| Method of birth | Vaginal | 48 (22.64) | 89 (49.98) | 1 | |
| Cesarean section | 164 (77.36) | 123 (58.02) | 0.00 | 2.47 (1.62–3.76) | |
| Maternal morbidity during pregnancy | None | 44 (20.75) | 70 (33.02) | 1 | |
| Hypertensive disorders | 124 (58.49) | 118 (55.66) | 0.02 | 1.67 (1.06–2.63) | |
| Obstetric events | 44 (20.75) | 24 (11.32) | 0.00 | 2.91 (1.56–5.44) | |
| Newborn weight type | Small | 28 (13.21) | 13 (6.13) | 1 | |
| Adequate | 167 (78.77) | 184 (86.79) | 0.01 | 0.42 (0.21–0.84) | |
| Large | 17 (8.02) | 15 (7.08) | 0.18 | 0.52 (0.20–1.36) | |
| Newborn resuscitation maneuver | Positive pressure ventilation | 130 (61.32) | 190 (89.62) | 1 | |
| Oxygen at free flow | 38 (17.92) | 17 (8.02) | 0.00 | 3.26 (1.76–6.03) | |
| Cardiac massage | 42 (19.81) | 5 (2.36) | 0.00 | 12.27 (4.73–31.86) | |
| Orotracheal intubation | 2 (0.94) | 0 (0) | 0.00 | 3.09 (1.93–4.98) | |
| Newborn morbidity type | None | 100 (47.17) | 154 (72.64) | 0.00 | 0.66 (0.51–0.84) |
| Neurological | 31 (14.62) | 21 (9.91) | 1 | ||
| Infectious | 81 (38.21) | 37 (17.45) | 0.00 | 1.86 (1.47–2.34) | |
| Primary maternal parity | Primipara 1 | 87 (41.04) | 79 (37.26) | 1 | |
| Multiparous 2–5 | 116 (54.72) | 132 (62.26) | 0.26 | 0.79 (0.53-1.18) | |
| Great multiparous 6 or more | 9 (4.25) | 1 (0.47) | 0.04 | 8.17 (1.0–65.96) |