TY - JOUR T1 - The Atkins diet led to more weight loss than the Zone diet in overweight and obese premenopausal women at 12 months JF - Evidence Based Medicine JO - Evid Based Med SP - 138 LP - 138 DO - 10.1136/ebm.12.5.138 VL - 12 IS - 5 A2 - , Y1 - 2007/10/01 UR - http://ebm.bmj.com/content/12/5/138.abstract N2 - Gardner CD, Kiazand A, Alhassan S, et al. Comparison of the Atkins, Zone, Ornish, and LEARN diets for change in weight and related risk factors among overweight premenopausal women: the A TO Z Weight Loss Study: a randomized trial. JAMA 2007;297:969–77.OpenUrlCrossRefPubMedWeb of Science 
 
 Q In overweight or obese premenopausal women, how do the Atkins; Zone; Lifestyle, Exercise, Attitudes, Relationships, and Nutrition (LEARN); and Ornish diets compare for weight loss? Clinical impact ratings GP/FP/Primary care ★★★★★★☆ IM/Ambulatory care ★★★★★★☆ Obesity—surgeon ★★★★★★☆ Obesity—physician ★★★★★☆☆ Design: randomised controlled trial (The Atkins, Traditional, Ornish, Zone [A TO Z] Weight Loss Study). Allocation: unclear allocation concealment.* Blinding: blinded {data collectors, data analysts, and data safety and monitoring committee}†.* Follow up period: 12 months. Setting: USA. Patients: 311 premenopausal women 25–50 years of age (mean age 41 y, 71% white) who were overweight or obese (body mass index [BMI] 27–40 kg/m2), had stable body weight in the past 2 months, and stable medications for ⩾3 months. Exclusion criteria included diabetes; hypertension; … ER -