Report summary

For University of Michigan–ann Arbor Department of Orthopaedic Surgery in 2018-2020, the graph shows 27 visible PIs and 29 internal PI collaborations. The main research signal is Medicine as the leading field (63% of slots across 27 PIs; 27 labels), Surgery as the leading subfield (26% of slots across 17 PIs; 17 labels), and Knee injuries and reconstruction techniques as the leading topic (7% of slots across 6 PIs; 6 labels). That is a healthy pattern, with enough links to reveal several interpretable groups rather than one undifferentiated component. The most prominent PIs by weighted works are Asheesh Bedi (15 weighted works; Cardiovascular and exercise physiology, Hip disorders and treatments); Ilyas Aleem (13.3 weighted works; Spine and Intervertebral Disc Pathology, Spinal Fractures and Fixation Techniques). The clearest collaboration lines are Rakesh Patel and Ilyas Aleem (10 shared works, weight 5.5). The strongest breakdown groups are group 1 with 7 PIs, 7 internal connections, weight 11.3, around Surgery, Orthopedics and Sports Medicine, Epidemiology, led by Asheesh Bedi, Tristan Maerz, Joel Gagnier.