TABLE 1.

Sensitivities of GeneOhm and Xpert for detection of MRSA from patient screening samples in comparison to results for direct and preenriched cultures

AssaySample source(s)Direct culturePreenriched culture
Sensitivity (%) (95% CI)Proportion of true-positive samplesSensitivity (%) (95% CI)Proportion of true-positive samples
GeneOhmNasal90.90 (62.5-98.4)10/1171.40 (50.0-86.2)15/21
Groin100 (81.6-100)17/1790.50 (71.1-97.4)19/21
All96.40 (82.3-99.4)27/2881.00 (66.7-90.0)34/42
XpertNasal100 (74.1-100)11/1157.10 (36.6-75.5)12/21
Groin88.20 (65.7-96.7)15/1776.10 (54.9-89.4)16/21
All92.90 (77.4-98.0)26/2866.70 (51.6-79.0)28/42