Does Body Mass Index Influence Intraoperative Costs and Operative Times for Open Transforaminal Lumbar Interbody Fusion? A Time-Driven Activity-Based Costing Analysis

Danyal A. Quraishi,Advith Sarikonda,D. Mitchell Self,Emily L. Isch, Steven Glener,Arbaz Momin,Ashmal Sami, Nicholas Clark,Joshua Heller,Srinivas K. Prasad,Ashwini Sharan,Jack Jallo,James Harrop,Alexander R. Vaccaro,Ahilan Sivaganesan

North American Spine Society Journal (NASSJ)（2025）

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Key words

Body Mass Index (BMI),Transforaminal Lumbar Interbody Fusion (TLIF),Intraoperative Costs,Operative Times,Time-Driven Activity-Based Costing (TDABC),Spinal Fusion Surgery,Healthcare Costs,Obesity,Health Economics,Bundled Payments,Operating Room Efficiency

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