From: Intratracheal Amylase Levels and Salivary Aspiration in Children with Tracheostomy
| Case | Age | Sex | Underlying disease | Amylase in trachea (U/L) | Frequency of pneumonia (/year) | Observation period (years) | Age at tracheostomy | Age at laryngotracheal separation |
|---|---|---|---|---|---|---|---|---|
| 1-1 | 12.2-13.1 | Female | Pfeiffer syndrome | 115,500 (103,900-1,321,000) | 3 | 5.6 | 0.2 | 7.8 |
| 1-2 | 13.8 | Female | Pfeiffer syndrome | 103 | 1.7 | 1.2 | 0.2 | 13.3 |
| 2 | 17.7 | Male | Cerebral palsy | 3176 | 0.2 | 5.4 | 2.0 | 12.2 |
| 3 | 17.9 | Female | Cerebral palsy | 1680 | 0.6 | 10.7 | 9.6 | 9.6 |
| 4 | 12.4 | Female | Lissencephaly | 7150 | 0.5 | 11.1 | 3.7 | 3.7 |
| 5 | 10.7 | Male | Cerebral palsy | 830 | 0.2 | 4.8 | 8.3 | 8.3 |
| 6 | 5-6.1 | Male | Skeletal dysplasia | 1320 (1160-2530) | 0 | 4.3 | 1.1 | 2.4 |
| 7 | 8.4-8.5 | Female | CHARGE syndrome | 1575 (1010-2140) | 0 | 3.2 | 4.5 | 7.3 |
| 8 | 7.8 | Female | Severe neonatal asphyxia | 11,100 | 0.5 | 1.8 | 0.3 | 7.3 |
| 9 | 14.2 | Male | Congenital cytomegalovirus infection | 1259 | 0.5 | 8.2 | 5.3 | 6.6 |
| 10 | 2.6 | Male | Congenital laryngeal atresia | 300 (74-336) | 0.2 | 4.9 | 0 | None |
| 11 | 1.3 | Female | VATER/VACTERL syndrome | 2330 | 0.7 | 4.5 | 1.2 | None |
