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Re: Statistics From: Efrain Ramirez (eramirezt@coqui.net) Fri Sep 29 06:14:20 2006 Messages sorted by: [ date ][ thread ][ subject ][ author ] Next message: art fougner, md: "Re: LEGAL: And so it begins!" Previous message: GIN11153@aol.com: "Terminating the Physician-Patient Relationship-free CE course" In reply to: Dr. Ainsworth: "Statistics" I am not statistician but I think that the formula is PC/R= # primary C/S divided by the # of total deliveries Minus the repeat C/S (either elective or failed VBAC's) Ef >At Thu, 28 Sep 2006, Dr. Ainsworth wrote: > >For those of you who are statisticians, I have a "simple" question or >maybe I'm just simple-minded. What is the correct way to calculate your >primary cesarean rate? For example, if I deliver 100 patients this month >and 20 are primary cesarean sections and 20 are repeat cesarean sections >or successful VBACs, is the correct calculation of the primary rate >20/80 %% or 20/100 = 20%? It seems to me that the denominator for the >primary rate needs to be the pool of patients who have a trial of labor >and have not had a previous cesarean section, i.e. 100-20€. Is my >logic correct or am I missing something here? -- “ The greatest obstacle to knowledge is not ignorance, it is the illusion of knowledge.” Daniel J. Boorstin - Historian Next message: art fougner, md: "Re: LEGAL: And so it begins!" Previous message: GIN11153@aol.com: "Terminating the Physician-Patient Relationship-free CE course" In reply to: Dr. Ainsworth: "Statistics"

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