Table 1 Cohort characteristics

From: Early postnatal echocardiographic characteristics impact survival and extracorporeal life support in congenital diaphragmatic hernia

Characteristics

L-CDH (n = 1531)

R-CDH (n = 246)

Neonatal Characteristics

Male sex, n (%)

883/1528 (57.8%)

137/245 (55.9%)

Estimated gestational age (EGA), weeks, median [IQR]

38 [37–39]

38 [36–39]

Preterm (EGA < 34wk), n (%)

61/1528 (4.0%)

14/245 (5.7%)

Birth weight, kg, mean ± SD

3.0 ± 0.6

3.0 ± 0.6

Cesarean delivery, n (%)

742/1511 (49.1%)

122/243 (50.2%)

Apgar at 1-minute, median [IQR]

5 [3, 8]

5 [3, 7]

Apgar at 5-minute, median [IQR]

7 [6, 9]

7 [5, 8]

Apgar at 5-minute ≤ 5, n (%)

305/1434 (21.3%)

65/228 (28.5%)

CPR in the delivery room, n (%)

98/1269 (7.7%)

26/208 (12.5%)

Inborn, n (%)

940/1531 (61.4%)

139/246 (56.5%)

Prenatal diagnosis, n (%)

1189/1530 (77.7%)

161/245 (65.7%)

Liver in chest, n (%)

482/1384 (34.8%)

197/215 (91.6%)

Early iNO usea, n (%)

725/1531 (47.4%)

138/246 (56.1%)

Repair Characteristics

Timing of repair, days, median [IQR]

4 [2, 6]

5 [3, 8]

Defect sizeb, n (%)

 A

218/1531 (14.2%)

13/246 (5.3%)

 B

608/1531 (39.7%)

76/246 (30.9%)

 C

434/1531 (28.3%)

96/246 (39.0%)

 D

136/1531 (8.9%)

32/246 (13.0%)

 Non-repair

121/1531 (7.9%)

27/246 (11.0%)

 Unknown

14/1531 (0.9%)

2/246 (0.8%)

Patch repair, n (%)

659/1406 (46.9%)

143/216 (66.2%)

Outcomes

Death, n (%)

254/1531 (16.6%)

49/246 (19.9%)

 Age at death, days, median [IQR]

11.5 [1, 31]

4 [1, 19]

ECLS use, n (%)

264/1531 (17.2%)

66/246 (26.8%)

Days on ventilatorc, days, median [IQR]

10 [6, 19]

14 [8, 26.5]

Days in hospitalc, days, median [IQR]

35 [22, 63]

53 [30, 86]

Oxygen at dischargec, n (%)

222/1276 (17.4%)

63 /195 (32.3%)

  1. IQR interquartile range, SD standard deviation, CPR cardiopulmonary resuscitation, iNO inhaled nitric oxide, ECLS extracorporeal life support.
  2. aiNO use in the first 3 days of life before ECLS cannulation.
  3. bPercentages may not add up to 100% due to rounding.
  4. cAmong survivors.