Table 1 Positive, negative, and overall agreement between SCFIA and the gold standard
From: Evaluation of a rapid fluorescence immunoassay for detecting Campylobacter antigens in stool samples
Comparison vs. gold standard | Prospective samples | Retrospective samples | Prospective + retrospective samples | ||||
|---|---|---|---|---|---|---|---|
pos (n) | neg (n) | pos (n) | neg (n) | pos (n) | neg (n) | ||
SCFIA | pos (n) | 31 | 2 | 92 | NA | 123 | 2 |
neg (n) | 1 | 171 | 2 | NA | 3 | 171 | |
Positive agreement (95% CI) | 96.88 (82.00–99,84) | 97.87 (91.79–99.63) | 97.62 (92.67–99.38) | ||||
Negative agreement (95% CI) | 98.84 (95.45–99.80) | NA | 98.84 (95.45–99.80) | ||||
Overall agreement | 98.54 | 97.87 | 98.33 | ||||