The Role of Problem-Based Learning in Preparing Medical Students to Work As Community Service-Oriented Primary Care Physicians: A Systematic Literature Review

The number of primary care physicians in the United States is dwindling rapidly, and osteopathic medical schools are embracing the challenge of leading students toward a career in primary care to meet this need. In recent years, the Problem-Based Learning (PBL) curriculum in medical education has emerged as a patient-centered, social-justice-focused methodology. The unique format of PBL centered around patient cases allows learning through community-based medicine, promoting medical graduates' entry into primary care. Through exploring the literature on this topic, the research question posed for this review is as follows: How have the skills gained in PBL been effectively preparing medical students to become community service-oriented primary care physicians, and how can we qualitatively and quantitatively assess a learner's preparedness to engage in primary care work? The variables studied were board licensing examination scores, clinical competence, and interpersonal skills, all of which emerged as common ways to assess learners' preparedness to work in primary care. The methodology of this literature review was organized using a Preferred Reporting Items for Systematic Reviews and Meta-Analyses flowchart to describe how articles were selected and synthesized to evaluate the variables. The results revealed the variables to be consistent strengths of PBL students, particularly clinical competence, and interpersonal skills, both of which are key in working in primary care and any clinical specialty. Since early in its implementation, literature has demonstrated the tendencies of PBL students to be interested in and later work in primary care, though little follow-up has been done recently. The question of why this phenomenon exists was largely answered by our literature review. In conclusion, through our analysis of the existing literature, the authors demonstrated that the PBL curriculum helps foster students' desire to serve patients. Limitations of the literature included small sample sizes, heterogeneous analysis methods, limited inclusion of qualitative assessment of student progress, and limited existing data on the prevalence of PBL in medical schools, as well as the entrance of PBL graduates into primary care careers.