Table 2

Correlation between the results of BD GeneOhm and Seegene Seeplex PCRs in semiquantitative toxigenic C. difficile culture-positive cases

GradeaNo. of cases positive by assay:
Toxigenic cultureBD (%)Seegene (%)
1107 (70.0)6 (60)
21919 (100)16 (84.2)
31717 (100)17 (100)
42424 (100)24 (100)
Total7067 (95.7)63 (90.0)
  • a Extent of growth of semiquantitative culture for C. difficile: grade 1, <10 colonies; grade 2, 10 to 50 colonies; grade 3, 51 to 100 colonies; grade 4, >100 colonies.