Table I.
Resuscitated infants by gestational age at birth and exposure to antenatal corticosteroids
| 22 weeks | 23 weeks | 24 weeks | 25 weeks | 26 weeks | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Exposed to ANS n=22 |
No ANS n=57 |
Exposed to ANS n=366 |
No ANS n=176 |
Exposed to ANS n=1012 |
No ANS n=107 |
Exposed to ANS n=1132 |
No ANS n=125 |
Exposed to ANS n=1176 |
No ANS n=154 |
|
| Maternal age ≤19 y | 2 (9.1) | 12 (21.1) | 45 (12.3) | 27 (15.3) | 125 (12.4) | 17 (15.9) | 117 (10.3) | 26 (20.8) | 131 (11.1) | 21 (13.6) |
| Privately insured | 8 (36.4) | 11 (19.3) | 161 (44.0) | 66 (37.5) | 425 (42.0) | 21 (19.6) | 477 (42.1) | 30 (24.0) | 491 (41.8) | 40 (26.0) |
| Prenatal care | 20 (90.9) | 51 (89.5) | 351 (95.9) | 160 (90.9) | 969 (95.8) | 91 (85.0) | 1082 (95.6) | 108 (86.4) | 1136 (96.6) | 129 (83.8) |
| Maternal race | ||||||||||
| White non-Hispanic | 7 (31.8) | 11 (19.3) | 133 (36.3) | 52 (29.5) | 405 (40.0) | 25 (23.4) | 479 (42.3) | 28 (22.4) | 455 (38.7) | 38 (24.7) |
| Black non-Hispanic | 14 (63.6) | 35 (61.4) | 170 (46.4) | 79 (44.9) | 380 (37.5) | 53 (49.5) | 408 (36.0) | 68 (54.4) | 421 (35.8) | 62 (40.3) |
| Hispanic | 1 (4.5) | 7 (12.3) | 46 (12.6) | 34 (19.3) | 164 (16.2) | 28 (26.2) | 192 (17.0) | 23 (18.4) | 221 (18.8) | 45 (29.2) |
| Maternal hypertension |
2 (9.1) | 8 (14.0) | 47 (12.8) | 13 (7.4) | 175 (17.3) | 17 (15.9) | 260 (23.0) | 28 (22.4) | 286 (24.3) | 38 (24.7) |
| Maternal diabetes | 1 (4.5) | 0 (0.0) | 8 (2.2) | 5(2.8) | 52 (5.1) | 6 (5.6) | 50 (4.4) | 7 (5.6) | 51 (4.3) | 11 (7.1) |
| Chorioamnionitis | 5 (22.7) | 21 (36.8) | 90 (24.6) | 39 (22.2) | 240 (23.7) | 12 (11.2) | 233 (20.7) | 9 (7.2) | 226 (19.2) | 13 (8.4) |
| Rupture of membranes >18 h |
5 (22.7) | 14 (26.4) | 96 (26.6) | 46 (28.2) | 303 (30.4) | 9 (8.8) | 321 (28.7) | 10 (8.3) | 362 (31.0) | 7 (4.7) |
| Antepartum antibiotics |
18 (81.8) | 29 (50.9) | 298 (81.4) | 74 (42.1) | 745 (73.6) | 26 (24.3) | 819 (72.4) | 35 (28.0) | 772 (65.6) | 45 (29.2) |
| Cesarean birth | 5 (22.7) | 4 (7.0) | 104 (28.4) | 39 (22.2) | 636 (62.9) | 70 (65.4) | 788 (69.6) | 76 (60.8) | 816 (69.4) | 119 (77.3) |
| Male infant | 9 (40.9) | 27 (47.4) | 193 (52.7) | 94 (53.4) | 518 (51.2) | 59 (55.1) | 600 (53.0) | 68 (54.4) | 592 (50.3) | 80 (51.9) |
| Singleton | 14 (63.6) | 40 (70.2) | 258 (70.5) | 134 (76.1) | 740 (73.1) | 97 (90.7) | 859 (75.9) | 102 (81.6) | 890 (75.7) | 118 (76.6) |
| 1-minute Apgar ≤3 | 16 (72.7) | 50 (87.7) | 250 (68.3) | 134 (76.1) | 566 (55.9) | 70 (65.4) | 528 (46.6) | 77 (61.6) | 473 (40.2) | 82 (53.2) |
| 5-minute Apgar ≤3 | 12 (54.5) | 35 (61.4) | 113 (30.9) | 82 (46.6) | 185 (18.3) | 34 (31.8) | 165 (14.7) | 19 (15.2) | 101 (8.6) | 24 (15.6) |
| Birth weight (g, mean (SD)) |
519.5 (94.5) | 517.5 (74.5) | 584.2 (84.4) | 591.3 (85.9) | 649.6 (106.4) | 668.8 (111.5) | 742.1 (131.5) | 791.1 (131.6) | 851.6 (162.3) | 851.9 (145.4) |
| Small for gestational age |
1 (4.5) | 2 (3.5) | 12 (3.3) | 3 (1.7) | 76 (7.5) | 6 (5.6) | 92 (8.1) | 8 (6.4) | 87 (7.4) | 12 (7.8) |
ANS=antenatal corticosteroids