Correction to: Journal of Perinatology (2009) 30, 505–512; doi:10.1038/jp.2009.165; published online 22 October 2009

The article stated that SNIPPV was significantly better than NCPAP in preventing extubation failure within 72 h (and even after including ‘late failures’) in 154 enrolled infants who recovered from RDS. The correct number of infants enrolled was 64.