Abstract
The number of citations a publication receives has been regarded as one measure of its importance and clinical impact. However, studies have yet to investigate which characteristics are predictors of citation rates within the spine subspecialty literature. To explore this topic, all articles published in 2010 in Spine and from 2010 to 2011 in The Spine Journal and the Journal of Neurosurgery: Spine were reviewed. The Web of Science search engine was used to determine the number of times each article was cited in the 5 years following its publication. Sample characteristics were collected and were compared with a χ test for differences Multivariate logistic regression was utilized to determine if collected study characteristics were associated with achievement of citation frequency higher than the median for the entire study sample. Among the 927 articles analyzed, the 5-year citation number ranged from 0 to 125, with a median of 8 (interquartile range: 4-16). Upon multivariate analysis, the following were identified as predictors of citation number higher than the median: North American origin (P=0.014), sample size >30 (P<0.001), study topic (P<0.050), and publication in the Journal of Neurosurgery: Spine (P<0.001). Practitioners and research personnel can use these findings to help elucidate which factors might affect the potential impact and overall reach of their work in the spine literature.
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