Patient conditions by complication status (n=344)
| No complications (n=334) | At least one complication (n=10) | P value* | |
| Premature birth (<37 wk) (n=293) | 0.121 | ||
| Yes | 24 (8.4) | 2 (28.6) | |
| No | 262 (91.6) | 5 (71.4) | |
| Premature birth | 0.092 | ||
| 37+ wk gestation (term birth) | 262 (91.6) | 5 (71.4) | |
| 24 wk gestation | 0 | 0 | |
| 25–26 wk gestation | 2 (0.7) | 1 (14.3) | |
| 27–28 wk gestation | 2 (0.7) | 0 | |
| 29–30 wk gestation | 2 (0.7) | 0 | |
| 31–32 wk gestation | 2 (0.7) | 0 | |
| 33–34 wk gestation | 3 (1.0) | 0 | |
| 35–36 wk gestation | 13 (4.5) | 1 (14.3) | |
| Asthma | 1.000 | ||
| Yes | 25 (7.5) | 0 | |
| No | 309 (92.5) | 10 (100) | |
| Bronchopulmonary dysplasia/chronic lung disease | 0.112 | ||
| Yes | 3 (0.9) | 1 (10.0) | |
| No | 331 (99.1) | 9 (90.0) | |
| Oxygen support | 0.112 | ||
| Yes | 3 (0.9) | 1 (10.0) | |
| No | 331 (99.1) | 9 (90.0) | |
| Structural pulmonary abnormality | 1.000 | ||
| Yes | 10 (3.0) | 0 | |
| No | 324 (97.0) | 10 (100) | |
| Esophageal/gastric/intestinal disease | 0.236 | ||
| Yes | 8 (2.4) | 1 (10.0) | |
| No | 326 (97.6) | 9 (90.0) | |
| Previous cardiac surgery | 0.029 | ||
| Yes | 0 | 1 (10.0) | |
| No | 334 (100) | 9 (90.0) | |
| Developmental delay | 0.225 | ||
| Yes | 29 (8.7) | 2 (20.0) | |
| No | 305 (91.3) | 8 (80.0) | |
| Seizure disorder | 0.112 | ||
| Yes | 3 (0.9) | 1 (10.0) | |
| No | 331 (99.1) | 9 (90.0) | |
| Cerebral palsy | 1.000 | ||
| Yes | 3 (0.9) | 0 | |
| No | 331 (99.1) | 10 (100) | |
| Neuromuscular disorder | 1.000 | ||
| Yes | 4 (1.2) | 0 | |
| No | 330 (98.8) | 10 (100) | |
| Steroid 30 days | 0.236 | ||
| Yes | 8 (2.4) | 1 (10.0) | |
| No | 326 (97.6) | 9 (90.0) | |
| Malignancy | 1.000 | ||
| History of cancer | 6 (1.8) | 0 | |
| No current or history of cancer | 257 (76.9) | 8 (80.0) | |
| Current cancer or active treatment | 71 (21.3) | 2 (20.0) | |
Data are presented as n (%) unless otherwise noted.
Data might not add to 100% due to rounding.
*P value was computed using Fisher’s exact test.