Table 2. Characteristics of infants according to the occurrence of readmission for wheezing.
Total number of children analyzed in each subgroup is specified, if different from the total number available.
| Infants who were readmitted for wheezing exacerbations (n = 22) | Infants who were not readmitted for wheezing exacerbations (n = 64) | p value | |
|---|---|---|---|
| Left-sided hernia, n (%) | 17 (77) | 59 (92) | 0.060 |
| Abnormal karyotype, n/N (%) | 1/17 (6) | 3/53 (6) | 1 |
| LHR | 1.5 ± 0.1 | 1.8 ± 0.1 | 0.135 |
| MRI lung volume, o/e | 0.37 ± 0.02 | 0.43 ± 0.01 | 0.113 |
| Intrathoracic liver, n/N (%) | 8/15 (53) | 11/53 (21) | 0.017 |
| Inborn, n (%) | 19 (86) | 53 (83) | 0.956 |
| Gestational age (wks) | 37.8 ± 0.6 | 39.3 ± 0.2 | 0.004 |
| Birth weight (g) | 2990 ± 180 | 3179 ± 64 | 0.213 |
| ECMO, n | 0 | 0 | - |
| Prosthetic patch repair, n/N (%) | 3/22 (14) | 8/58 (14) | 1 |
| Length of ICU stay (d) | 31.9 ± 6.8 | 20.3 ± 2.5 | 0.049 |
| Length of hospital stay (d) | 59.2 ± 10.9 | 35.8 ± 3.7 | 0.010 |
| Home oxygen therapy, n (%) | 4 (18) | 1 (2) | 0.019 |
| Home enteral nutrition, n (%) | 6 (27) | 9 (14) | 0.159 |
| Pulmonary hypertension at discharge, n/N (%) | 6/22 (27) | 13/63 (21) | 0.520 |
| Older siblings at home, n/N (%) | 13/21 (62) | 34/63 (54) | 0.526 |
| Day-care attendance | 5/22 (23) | 20/62 (32) | 0.531 |
| Passive smoking (%) | 4/20 (20) | 18/61 (30) | 0.587 |
| Familial atopy (%) | 13 (59) | 24 (37) | 0.078 |
| Eczema (%) | 9/20 (45) | 10/61 (16) | 0.012 |
| Palivizumab prevention (%) | 14 (64) | 39 (61) | 0.822 |