Table 2.
Comparison of the Luminex to the BioFire Panels on archived stool samples (n=81)*
| Pathogens | GPP N | BFGP N | P value |
|---|---|---|---|
| Positive specimens | 81 | 75 | 0.028 |
| Negative specimens | 0* | 6 | |
| C. difficile | 3 | 9 | |
| Shigella | 0 | 0 | |
| E. coli O157:H7 | 1 | 0 | |
| Salmonella species | 5 | 4 | |
| Campylobacter species | 9 | 10 | |
| STEC | 3 | 3 | |
| ETEC | 4 | 4 | |
| EAEC | n/a | 2 | |
| EIEC | n/a | 0 | |
| EPEC | n/a | 8 | |
| Plesiomonas shigelloides | n/a | 0 | |
| Yersinia enterolitica | n/a | 0 | |
| Vibrio cholerae /Vibrio species | 0 | 0 | |
| Norovirus GI/GII | 36 | 32 | |
| Rotavirus A | 16 | 18 | |
| Adenovirus | 2 | 2 | |
| Astrovirus | n/a | 0 | |
| Sapovirus | n/a | 0 | |
| Cryptosporidium species | 0 | 0 | |
| Giardia lamblia | 6 | 5 | |
| Entamoeba histolytica | 1 | 0 | |
| Cyclospora cayetanensis | n/a | 0 | |
| Total pathogens detected | 86 | 97 | 0.033 |
| Positive for >1 pathogen | 4 | 20 | |
| Discordant specimens | |||
| No pathogen detected | 0* | 6 | |
| Different pathogens detected | 1 | ||
| Additional pathogens detected | 0 | 16 | |
*
Positive samples originally tested by the Luminex GI panel. STEC: Shiga-toxin producing E. coli; ETEC: Enterotoxigenic E. coli; EAEC: Enteroaggregative E. coli; EIEC: Enteroinvasive E. coli; EPEC: Enteropathogenic E. coli. N/A: Not applicable (target not included on panel)