Table 1 Baseline characteristics result of the lung ultrasound examination
From: Proportion of confluent B-Lines predicts respiratory support in term infants shortly after birth
Total (n = 361) | Respiratory support (n = 91) | Control group (n = 270) | P | |||||
|---|---|---|---|---|---|---|---|---|
Baseline characteristics | ||||||||
GA, day | 273 (269, 278) | 271.5 (265.5, 277.5) | 274 (270, 278) | 0.08 | ||||
BW, g | 3324.2 (416.8) | 3278.0 (444.5) | 3339.8 (406.7) | 0.24 | ||||
Male sex | 179 (49.6%) | 40 (44.0%) | 139 (51.5%) | 0.26 | ||||
Cesarean delivery | 156 (43.2%) | 43 (47.3%) | 113 (41.9%) | 0.40 | ||||
PROM | 31 (8.6%) | 6 (6.6%) | 25 (9.3%) | 0.57 | ||||
5’Apgar score | 9 (9–9) | 9 (9–9) | 9 (9–9) | 0.09 | ||||
Result of the lung ultrasound examination | ||||||||
Total intercostal space | 48 (35, 52) | 48 (37, 52) | 48 (35, 52) | 0.22 | ||||
Proportion of A-lines, % | 68.6 (55.8, 80.0) | 46.3 (36.3, 59.7) | 73.6 (63.9, 82.9) | < 0.01 | ||||
Proportion of B-lines, % | 22.4 (16.1, 28.8) | 24.2 (19.5, 30.6) | 21.7 (14.3, 27.8) | 0.01 | ||||
Proportion of confluent B-lines, % | 5.7 (0.0, 16.7) | 27.0 (17.7, 32.6) | 2.3 (0.0, 8.8) | < 0.01 | ||||
Consolidation | 23 (6.4%) | 16 (17.6%) | 7 (2.6%) | < 0.01 | ||||