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Systematic Changes in the National Surgical Quality Improvement Program Database Over the Years Can Affect Comorbidity Indices Such as the Modified Frailty Index and Modified Charlson Comorbidity Index for Lumbar Fusion Studies.
Shultz BN, Ottesen TD, Ondeck NT, Bovonratwet P, McLynn RP, Cui JJ, Grauer JN. Shultz BN, et al. Among authors: ondeck nt. Spine (Phila Pa 1976). 2018 Jun 1;43(11):798-804. doi: 10.1097/BRS.0000000000002418. Spine (Phila Pa 1976). 2018. PMID: 28922281
64 results