Table 2.
Results of Bayley Scales of Infant and Toddler Development
| Domain | Tracheostomy (n = 26) | No tracheostomy (n = 28) | p value |
|---|---|---|---|
| Cognitive scorea | 85 (75, 90) | 80 (75, 85) | 0.729 |
| Cognitive impairmentb | |||
| Profound | 11 (42.3%) | 13 (46.4%) | 0.448 |
| Severe | 6 (23.1%) | 10 (35.7%) | |
| Moderate | 9 (34.6%) | 5 (17.9%) | |
| Language scorea | 74 (59, 86) | 79 (71, 86) | 0.645 |
| Language impairmentb | |||
| Profound | 17 (65.4%) | 18 (64.3%) | 0.317 |
| Severe | 5 (19.2%) | 6 (21.4%) | |
| Moderate | 2 (7.7%) | 4 (14.3%) | |
| Borderline | 2 (7.7%) | 0 (0%) | |
| Motor scorea | 76 (70, 85) | 85 (78, 88) | 0.217 |
| Motor impairmentb | |||
| Profound | 15 (57.7%) | 12 (42.9%) | |
| Severe | 7 (26.9%) | 11 (39.3%) | 0.672 |
| Moderate | 3 (11.5% | 5 (17.9%) | |
| Borderline | 1 (3.8%) | 0 (0%) | |
| Receptive language scorec | 7 (5, 9) | 6 (6, 8) | 0.237 |
| Expressive language scorec | 5 (2, 7) | 7 (4, 7) | 0.265 |
| Gross motor scorec | 7 (4, 7) | 7 (6, 8) | 0.296 |
| Fine motor scorec | 8 (5, 8) | 8 (7, 9) | 0.406 |
| Age at testing (months) | 25.5 (23, 28) | 26.5 (25, 28) | 0.765 |
aComposite scores reported in median (interquartile range) for the three main scales (cognitive, language and motor)
bQualitative range of impairment based on psychometric conversion table, reported in number (%)
cScale scores reported as median (interquartile range) for the subscales of receptive/expressive language and gross/fine motor (with missing data for 7 with tracheostomy and 5 with no tracheostomy)