Report summary

Yale University Department of Orthopaedics and Rehabilitation in 2022-2026 reads as a 34-PI network with 81 internal PI collaborations. The dominant subject mix is Medicine as the leading field (74% of slots across 34 PIs; 34 labels), Surgery as the leading subfield (26% of slots across 20 PIs; 20 labels), and Total Knee Arthroplasty Outcomes as the leading topic (5% of slots across 5 PIs; 5 labels). That is promising: collaboration is not just one large hairball, and the leading breakdown groups cover 15 PIs across distinct clusters. The leading PI names are Jonathan N. Grauer (95.1 weighted works; Spine and Intervertebral Disc Pathology, Total Knee Arthroplasty Outcomes). The most visible ties are Jonathan N. Grauer and Lee E. Rubin (28 shared works, weight 14.5); Daniel H. Wiznia and Steven M. Tommasini (37 shared works, weight 13.2). The leading breakdown groups are group 1 with 8 PIs, 8 internal connections, weight 64.1, around Surgery, Pathology and Forensic Medicine, Public Health, Environmental and Occupational Health, led by Jonathan N. Grauer, Andrew E. Jimenez, Michael J. Medvecky.