A quasi-experimental design based on regional variations: discussion of a method for evaluating outcomes of medical practice.

Arts & Humanities

• Hysterectomy 100%
• Medical Practice 83%
• Regional Variation 82%
• Experimental Design 66%
• Reference Groups 19%
• Experiment 16%
• Evaluation 14%
• In Situ 14%
• Medical Care 14%
• Denmark 13%
• Proportion 9%

Social Sciences

• regional difference 72%
• medical practice 71%
• indication 29%
• Group 20%
• reference group 19%
• experiment 19%
• medical care 16%
• study group 16%
• Denmark 15%
• evaluation 15%

Medicine & Life Sciences

• Hysterectomy 65%
• Research Design 52%
• Conization 37%
• Carcinoma in Situ 15%
• Denmark 14%
• Cervix Uteri 13%
• Registries 10%
• Health Care Outcome Assessment 8%
• Technology 8%
• Population 5%
• Therapeutics 4%