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Re: fatal shoulder dystocia From: Efrain Ramirez MD (eramirez@icepr.com) Thu Dec 24 04:49:51 1998 Messages sorted by: [ date ][ thread ][ subject ][ author ] Next message: Luis Sanchez-Ramos, M.D.: "Re: fatal shoulder dystocia" Previous message: =?iso-8859-1?B?41wi+CD06fn4?=: "Re: fatal shoulder dystocia" In reply to: Geffrey H. Klein, MD: "Re: fatal shoulder dystocia" I do not have to remind you that shoulder dystocia is not always associated with macrosomia. At Thu, 24 Dec 1998, Peter Wein wrote: > >>How is it a different thing? If you fail to demonstrate an advantage for >>an intervention, then for what purpose can you justify intervention? >> >It is completely different to say "These 2 treatments are equivalent" than >to say "I cannot show that one is superior". To prove the first, your null >hypothesis would be that one is different to the other, whereas to prove >the second, your null hypothesis is that they are the same. To prove >equivalence requires a far more rigorous study than to prove difference - see: > >Jones B, Jarvis A, Lewis JA, Ebbutt AF. Trials to assess equivalence: the >importance of rigorous methods. BMJ 1996: 313: 36-39. > >-- >Peter Wein > -- Efrain Ramirez MD FACOG Next message: Luis Sanchez-Ramos, M.D.: "Re: fatal shoulder dystocia" Previous message: =?iso-8859-1?B?41wi+CD06fn4?=: "Re: fatal shoulder dystocia" In reply to: Geffrey H. Klein, MD: "Re: fatal shoulder dystocia"

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