Report summary

University of Pennsylvania Department of Orthopaedic Surgery in 2015-2026 reads as a 92-PI network with 355 internal PI collaborations. The research center of gravity is Medicine as the leading field (63% of slots across 86 PIs; 86 labels), Surgery as the leading subfield (23% of slots across 54 PIs; 54 labels), and Orthopedic Surgery and Rehabilitation as the leading topic (4% of slots across 11 PIs; 11 labels). That is promising: collaboration is not just one large hairball, and the leading breakdown groups cover 23 PIs across distinct clusters. The most prominent PIs by weighted works are Joseph Bernstein (75.6 weighted works; Diversity and Career in Medicine, Healthcare cost, quality, practices). The strongest pairings are Frederick S. Kaplan and Eileen M. Shore (34 shared works, weight 16.9). The strongest breakdown groups are group 1 with 10 PIs, 13 internal connections, weight 100.8, around Rheumatology, Surgery, Pathology and Forensic Medicine, led by Robert L. Mauck, Neil R. Malhotra, Lachlan J. Smith.