Compared with the facial mask , CPAP by helmet had a lower treatment failure rate due to intolerance ( @/@ -LSB- @ % -RSB- vs @/@ -LSB- @ % -RSB- , P = @ ) , and fewer infants required sedation ( @/@ -LSB- @ % -RSB- vs @/@ -LSB- @ % -RSB- , P = @ ) ; the intubation rates were similar .