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Intra- and interobserver reliability of the Spinal Instability Neoplastic Score system for instability in spine metastases: a systematic review and meta-analysis

  
@article{ATM23949,
	author = {Zach Pennington and A. Karim Ahmed and Ethan Cottrill and Erick M. Westbroek and Matthew L. Goodwin and Daniel M. Sciubba},
	title = {Intra- and interobserver reliability of the Spinal Instability Neoplastic Score system for instability in spine metastases: a systematic review and meta-analysis},
	journal = {Annals of Translational Medicine},
	volume = {7},
	number = {10},
	year = {2019},
	keywords = {},
	abstract = {Mechanical instability is one of the two main indications for surgical intervention in patients with metastatic spine disease. Since its publication in 2010, the Spinal Instability Neoplastic Score (SINS) has been the most commonly used means of assessing mechanical instability. To prove clinically valuable though, diagnostic tests must demonstrate consistency across measures and across observers. Here we report a systematic review and meta-analysis of all prior reports of intraobserver and interobserver reliability of the SINS score. To identify articles, we queried the PubMed, CINAHL, EMBASE, Cochrane, and Web of Science databases for all full-text English articles reporting interobserver or intraobserver reliability for the SINS score, category, or a domain of the SINS score. Articles reporting confidence intervals for these metrics were then subjected to meta-analysis to identify pooled estimates of reliability. Of 167 unique studies identified, seven met inclusion criteria and were subjected to qualitative review and meta-analysis. Intraobserver reliability for SINS score was found to be near perfect [estimate =0.815; 90% CI (0.661–0.969)] and interobserver reliability was substantial [0.673; (0.227–1.12)]. Intraobserver and interobserver reliability among spine surgeons was significantly better than reliability across all observers (both P},
	issn = {2305-5847},	url = {http://atm.amegroups.com/article/view/23949}
}