Antileukotrienes for the prevention and treatment of chronic lung disease in very preterm newborns: a systematic review

Table 4 Risk of Bias assessment with Rob 2.0 tool for the included RCT

	Randomization process	Deviations from intended interventions	Missing outcome data	Measurement of the outcome	Selection of the reported results	Overall risk of bias
Kim 2015	some concerns^a	some concerns^b	low^c	some concerns^d	low^e	some concerns

^aNo information about allocation concealment, randomization of groups was performed using shuffled blocks of random numbers in Microsoft Office, Excel 2007
^bUnclear description of the infants that were not included in the final analysis
^cData appears to be complete. Attrition and exclusions were explained (not completely clear though) and accounted for
^dUnclear if outcome assessors were blinded
^eSeems in accordance with protocol

ISSN: 1465-993X