Table 4: Results of C. difficile GDH/toxin B EIA analyses according to the results obtained with integrative systems.

Patients
Number
Stools
Numbers
Patient
Trend
EIA CD GDH EIA CD
Toxin B
Integrative Tests
tcdB PCR + tcdB PCR -
44 60 variable positive negative 50 10
5 8 always +/- positive negative 8 (85.3)* 0 (14.7)*
23 32 variable negative negative 13 (40.6) 19 (59.4)
Total 100 71 (71) 29 (29)
VIDAS toxin B + VIDAS toxin B -
27 30 variable positive negative 17 13
2 3 always +/- positive negative 2 1
6 6 single +/- positive negative 5 1
Total 35 39 24 (61.5) 15 (38.5)
VIDAS CD GDH + VIDAS CD GDH -
36 54 variable negative negative 24 (44.4) 30 (55.6)

Percentage values relative to the stools column are in brackets. *, percentage value refers to the sum of lines 1 and 2.