“…The data include patient characteristics, postoperative complications, reoperations, readmissions with associated diagnoses, and time to event in days. The NSQIP dataset has been previously validated (Sellers et al, 2013), and has been used to evaluate outcomes for multiple microsurgical procedures (Bydon et al, 2014;Dasenbrock et al, 2015;Garg, Merrell, Hillstrom, & Wolfe, 2011;Jubbal, Echo, Spiegel, & Izaddoost, 2017;Jubbal, Zavlin, & Suliman, 2017;Mlodinow, Ver Halen, Rambachan, Gaido, & Kim, 2013). Our Institutional Review Board has exempted the NSQIP database from review.…”