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	Institution: STANFORD Univ Med Center  | My Account | E-mail Alerts | Access Rights | Sign In Vol. 2 No. 9, September 1993   Archives  •  Online Features Original Contributions  This Article  • References  • Full text PDF  • Send to a friend  • Save in My Folder  • Save to citation manager  • Permissions  Citing Articles  • Citation map  • Citing articles on HighWire  • Contact me when this article is cited  Related Content  • Similar articles in this journal How Representative of Typical Practice Are Practice-Based Research Networks? A Report From the Ambulatory Sentinel Practice Network Inc (ASPN) Larry A. Green, MD; Rebecca S. Miller, MS; Frank M. Reed, MD; Donald C. Iverson, PhD; Gwyn E. Barley, MPl Arch Fam Med. 1993;2(9):939-949. Abstract Objective To evaluate the patients and practices of family physicians in a national practice-based research network to understand whether results from practice-based research networks are likely to be relevant to other Practicing clinicians. Study Design Survey focused on family physicians that replicated the National Ambulatory Medical Care Survey (NAMCS). Setting The Ambulatory Sentinel Practice Network Inc (ASPN), a practice-based research network, consisting of volunteer primary care practices that serve approximately 350 000 patients. Outcome Measures Comparison of visits reported in ASPN with the visits reported in the 1990 NAMCS in terms of patient demographics, reasons for visit, diagnostic and therapeutic services, diagnoses, disposition, and amount of time spent with patients. Results Overall, the two samples differed with respect to demographic characteristics of patients, while problems, diagnoses, services, disposition, and time spent with patients were similar. Specific pair-wise comparisons identified areas of difference. Conclusion The ASPN and possibly other similar practice-based research networks are sufficiently representative of family practice to serve as useful laboratories in which family practice and primary care can be explored. Author Affiliations From the Ambulatory Sentinel Practice Network Inc and the Department of Family Medicine (Drs Green and Iverson and Mss Miller and Barley), University of Colorado Health Sciences Center, and AMC Cancer Research Center (Dr Reed), Denver. THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES Global Health and Primary Care Research Beasley et al. J Am Board Fam Med 2007;20:518-526. ABSTRACT | FULL TEXT   Annals Journal Club: Acanthosis Nigricans and Diabetes Risk Factors Ann Fam Med 2007;5:iii-iii. FULL TEXT   Describing Primary Care Encounters: The Primary Care Network Survey and the National Ambulatory Medical Care Survey Binns et al. Ann Fam Med 2007;5:39-47. 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ABSTRACT | FULL TEXT   Use of the Pediatric Symptom Checklist to Screen for Psychosocial Problems in Pediatric Primary Care: A National Feasibility Study Jellinek et al. Arch Pediatr Adolesc Med 1999;153:254-260. ABSTRACT | FULL TEXT   Problems in Laboratory Testing in Primary Care Nutting et al. JAMA 1996;275:635-639. ABSTRACT   Human Immunodeficiency Virus Seroprevalence in Community-Based Primary Care Practices, 1990-1992: A Report From the Ambulatory Sentinel Practice Network Miller et al. Arch Fam Med 1995;4:1042-1047. ABSTRACT   Practice-Based Research Networks: Their Current Level of Validity, Generalizability, and Potential for Wider Application Stange Arch Fam Med 1993;2:921-923. ABSTRACT   HOME | CURRENT ISSUE | PAST ISSUES | TOPIC COLLECTIONS | CME | PHYSICIAN JOBS | HELP CONDITIONS OF USE | PRIVACY POLICY | CONTACT US | SITE MAP   © 1993 American Medical Association. All Rights Reserved.