Table 3.
Diagnostic categories of study cohort
| Airway-related diseases (36) | Infection/inflammatory diseases (88) | Trauma/injury (45) |
|---|---|---|
| Airway malacia (13) | Acute pneumonia (15) | TBI (25) |
| TEF (5) | Meningitis/encephalitis (25) | Polytrauma (8) |
| Congenital SGS (4) | Septicemia (15) | Corrosive ingestion (5) |
| Acquired SGS (2) | TBM (14) | Drowning (3) |
| Congenital laryngeal web (3) | SJS (3) | Facial injury (2) |
| FB aspiration (3) | Hepatitis A (3) | Cervical spine injury (1) |
| Airway cleft (2) | Retropharyngeal abscess (2) | Burns (1) |
| Congenital vocal cord palsy (1) | Ludwig's angina (2) | Neoplasm/malignancy (16) |
| Vocal cord dysfunction (1) | Acute myelitis (2) | Solid organ tumor (9) |
| Obstructive sleep apnea (1) | Collagen vascular disorder (3) | Leukemia/lymphoma (5) |
| Cystic hygroma (1) | Tropical diseases (4) | LCH (2) |
| Cardiopulmonary diseases (22) | Craniofacial/genetic anomalies (17) | NM disorders (23) |
| Chronic lung diseases (11) | Genetic diseases (13) | GBS (17) |
| Congenital heart disease (6) | Retrognathia (2) | SMA (3) |
| Cystic fibrosis (2) | Micrognathia (1) | Myopathy (3) |
| Myocarditis/cardiomyopathy (3) | Macroglossia (1) | |
| Nontraumatic/noninfectious | Miscellaneous (4) | |
| central neurological diseases (39) | ||
| Static encephalopathy (16) | Diabetic ketoacidosis (2) | |
| Immune-mediated encephalopathy (5) | Biliary atresia (1) | |
| Superrefractory seizures (5) | Facial hemangioma (1) | |
| Arteriovenous malformation (5) | Atlantoaxial dislocation (3) | |
| Neuroregressive disorders (2) | ||
| Intraventricular bleed (2) | ||
| Spinal dysraphism (1) |
TEF, tracheoesophageal fistula; SGS, subglottic stenosis; FB, foreign body; TBM, tubercular meningitis; SJS, Stevens–Johnson syndrome; TBI, traumatic brain injury; LCH, Langerhans cell histiocytosis; GBS, Guillain–Barre syndrome; SMA, spinomuscular atrophy