Characteristics of cases and controls in the CPRD data.

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posted on 2023-03-21, 17:22 authored by Danielle Fitzpatrick, Kirstin Pirie, Gillian Reeves, Jane Green, Valerie Beral

Characteristics of cases and controls in the CPRD data.

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releasing intrauterine devices previous published findings observational studies published findings provide evidence body mass index 8 per 100 265 per 100 12 observational studies 01 november 2022 01 january 1995 001 ), respectively breast cancer increases previously published results 2 ), injected 004 ), implanted breast cancer risk fixed effects meta breast cancer ors matched controls prior 001 ), 1 breast cancer diagnosis hormonal contraceptive prescription analysis iuds ): ors combined hormonal contraceptives xlink "> current 498 women aged combined oral contraceptives 5 years use breast cancer 004 ),xlink ">hormonal contraceptives matched controls 06 ),underlying risk prescription databases p cprd results oral contraceptive controls ).contraceptive use injected progestagen using contraceptives oral combined analyses combined younger rather total duration term associations study design standard deviation small increase slight increase significantly raised risks need resulting 15 recent use premenopausal women particular emphasis older ages main limitation income countries included women gp practice either type different types defined period database generally cprd data cprd ])control study containing oestrogen confidence intervals clinical records alcohol intake 50 years 49 ];45 ];37 ];20 years 1 ).000 users

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