Report summary

For University of Pennsylvania Department of Orthopaedic Surgery in 2018-2020, the graph shows 44 visible PIs and 96 internal PI collaborations. The dominant subject mix is Medicine as the leading field (63% of slots across 43 PIs; 43 labels), Surgery as the leading subfield (18% of slots across 20 PIs; 20 labels), and Orthopedic Surgery and Rehabilitation as the leading topic (7% of slots across 9 PIs; 9 labels). That is a healthy pattern, with enough links to reveal several interpretable groups rather than one undifferentiated component. The top weighted PIs are Joseph Bernstein (20.1 weighted works; Healthcare cost, quality, practices, Diversity and Career in Medicine); Ronnie Sebro (20.1 weighted works; Sarcoma Diagnosis and Treatment, Bone Tumor Diagnosis and Treatments). The most visible ties are Sarah E. Gullbrand and Robert L. Mauck (12 shared works, weight 5.3); Michael W. Hast and Josh R. Baxter (6 shared works, weight 5.1). The standout breakdown groups are group 1 with 9 PIs, 12 internal connections, weight 36.7, around Rheumatology, Pathology and Forensic Medicine, Pharmacology, led by Robert L. Mauck, Neil R. Malhotra, Lachlan J. Smith.