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December 2015

Inconsistency in Missing Cases in Derivation Data and Validation Data

JAMA Pediatr. 2015;169(12):1179. doi:10.1001/jamapediatrics.2015.2661

In the Original Investigation titled “Trajectory Analysis of the Campus Serial Rapist Assumption,” published online July 13, 2015, in JAMA Pediatrics,1 there were inconsistencies in missing data between the data used for the published analyses and the publicly available derivation data, which affected 2 cases. After correcting for these errors, most of the frequencies and statistics reported in the Results section differ slightly. All interpretations and conclusions remain the same after correcting for these errors.2 A corrected article with corrections to the Abstract, text, Tables, and Figure has been published online.1 In addition, this article was previously corrected on August 13, 2015, to fix a column heading in Table 3.

Swartout  KM, Koss  MP, White  JW, Thompson  MP, Abbey  A, Bellis  AL.  Trajectory analysis of the campus serial rapist assumption [corrected online October 19, 2015]. JAMA Pediatr. doi:10.1001/jamapediatrics.2015.0707.
Swartout  KM, Koss  MP, White  JW, Thompson  MP, Abbey  A, Bellis  AL.  Errors in derivation data and validation data. JAMA Pediatr. doi:10.1001/jamapediatrics.2015.3076.