Table 1 Intubation and surfactant administration for infants born at less than 32 weeks gestation.

	Period 1	Period 2	% increase (95% CI)
Born <32 weeks gestation	419	427
Received surfactant	171 of 419 (41%)	223 of 414 (54%) missing = 13	13% (6 to 20)
Received surfactant within 1 h of birth	22 of 171 (13%)	115 of 192 (60%) missing = 31	47% (38 to 56)
Intubated for resuscitation	151	148
Intubated and received surfactant	83 of 151 (55%)	133 of 147 (91%) missing = 1	36% (26 to 45)
Intubated and received surfactant within 1 h of birth	14 of 83 (17%)	93 of 113 (82%) missing = 20	65% (55 to 76)