Comparison of teams is difficult

EDITOR,—Joseph Britto and colleagues' study of a paediatric retrieval team1 closely mirrors a descriptive study performed by the specialist transport team based in our hospital's adult intensive care unit.2 We agree with Stuart Logan, who says in his commentary on Britto and colleagues' paper that randomised controlled trials comparing specialist with non-specialist transfer are problematic and that evaluation of the introduction of specialist retrieval teams by the use of scoring systems should provide firmer evidence of their …