Incidence of SASGS based on birth weight (2006–2012)
| Birth weight (g) | All neonatal admissions (actual values, percentage and 95% CI) | Neonates intubated and survived to discharge from NICU (actual values, percentage and 95% CI) |
| All infants <1500 | 27/1988=1.4% (0.93% to 1.97%) | 27/1847=1.5% (1% to 2.1%) |
| <500 | 1/43=2.3% (0.41% to 12.1%) | 1/22=4.5% (0.81% to 21.8%) |
| 500–999 | 19/747=2.5% (1.63% to 3.94%) | 19/659=2.9% (1.85% to 4.6%) |
| 1000–1499 | 6/1198=0.5% (0.23% to 1.1%) | 6/1166=0.5% (0.23% to 1.1%) |
| 1500–1999 | 0/2128=0% (0% to 0.18%) | 0/211=0% (0% to 1.79%) |
| Infants ≥2000 | 1/11,687=0.009% (0% to 0.05%) | 1/855=0.12% (0.02% to 0.66%) |
| Overall | 27/15,803=0.17% (0.12% to 0.25%) | 27/2913=0.93% (0.64% to 1.35%) |
NICU, neonatal intensive care unit; SASGS, severe acquired subglottic stenosis.