Berwick, among the nation’s leading authorities on healthcare quality improvement, is usually president and ceo of the Institute for Health care Improvement based in Cambridge, Mass. Dr. Berwick is also Clinical Professor of Pediatrics and HEALTHCARE Plan at the Harvard Medical School and professor of Health Policy and Management at the Harvard School of Public Health. He is a 2005 recipient of the ASHP Plank of Directors Award of Honor.. ASHP communicates support for Berwick nomination to Senate The American Culture of Health-System Pharmacists communicated its strong support for the nomination of Donald M.We elevated the sample size further to minimize type I error by using a conservative 2 percent level of significance. The effect was a target sample of 1310 infants. We planned to check for an interaction between your two factorial parts of the study, but the study had not been powered for that analysis. Analyses were performed based on the intention-to-treat basic principle. The denominator that was used to calculate the rate of every outcome was the amount of infants for whom that result was known. The principal analyses focused on the %age of infants in each group who survived to 36 weeks of postmenstrual age group without bronchopulmonary dysplasia.