Corrigendum to Surgical Risk Stratification Based on Preoperative Risk Factors in Severe Pediatric Spinal Deformity Surgery [Spine Deformity 2 (2014) 340–349]

Comparison of perioperative complications following surgical treatment of shoulder instability

“… 2 , 9 , 20 , 51 , 52 The accuracy of the results provided in the database has been validated and used to describe many orthopedic procedures to date. 6 The data are extracted by trained reviewers directly from the medical records, and NSQIP is considered one of the most accurate surgical databases currently available. 7 , 20 , 51 As the NSQIP data set is deidentified and contains no geographic markers, this study was exempt from local institutional review board review.…”