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. 2015 Aug 24;2015(8):CD000144. doi: 10.1002/14651858.CD000144.pub3

Horbar 1993.

Methods Randomized multicenter trial
 Blinding of randomization: yes
 (randomization lists at study center pharmacy)
 Blinding of intervention: no
 Complete follow‐up: no (3 excluded)
 Blinding of outcome measurement: no
 Stratification by birth weight
Participants Birth weight 501‐1500 grams
 Assisted ventilation
 Supplemental oxygen greater than or equal to 30%
 Respiratory distress syndrome
 Age less than or equal to 6 hours
 No mature L/S ratio
 No evidence of life‐threatening congenital malformation
 Colfosceril palmitate (Exosurf Neonatal) n= 309
 Beractant (Survanta) n= 308
Interventions Beractant (Survanta) vs. colfosceril palmitate (Exosurf Neonatal)
 Multiple doses
Outcomes PRIMARY:
 Death or BPD at 28 days
 Average FiO2, mean airway pressure
 SECONDARY:
 Complications of prematurity
 Complications associated with dosing
Notes  
Risk of bias
Bias Authors' judgement Support for judgement
Allocation concealment (selection bias) Low risk Blinding of randomization: yes (randomization lists at study center pharmacy)
Blinding (performance bias and detection bias) 
 All outcomes High risk Blinding of intervention: no
Blinding of participants and personnel (performance bias) 
 All outcomes High risk  
Blinding of outcome assessment (detection bias) 
 All outcomes High risk Blinding of outcome measurement: no
Incomplete outcome data (attrition bias) 
 All outcomes Low risk Complete follow‐up: yes (3 excluded)
Selective reporting (reporting bias) Low risk