Lee and colleagues (Improving the quality of care for infants: a cluster randomized controlled trial, Aug. 10 online) have presented an intriguing evaluation of 2 QI interventions in their NICUs. The pulmonary group implemented only 23% of their own selected potentially useful practices, but with good effect. The infection group showed no pulmonary change. Collection and presentation of the NI group's pulmonary practices would have enhanced the reader's ability to judge which of the implemented practices were associated with change. I would encourage the investigators to make these data available.
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For the full letter go to: www.cmaj.ca/cgi/eletters/cmaj.081727v1