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Correlation of staining intensity of Brucella IgM and IgG flow assays with SAT titer for patients with confirmed brucellosis
| Staining intensity in flow assaya | No. of sera with indicated SAT titer
|
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| ≤1:20 | 1:40 | 1:80 | 1:160 | 1:320 | 1:640 | 1:1,280 | 1:2,560 | 1:5,120 | 1:10,240 | |
| 4+ | 1 | 1 | 1 | 3 | 3 | 4 | 2 | |||
| 3+ | 1 | 3 | 2 | 3 | 4 | 9 | 6 | 2 | ||
| 2+ | 1 | 2 | 8 | 10 | 9 | 2 | 3 | 1 | ||
| 1+ | 2 | 1 | 2 | 2 | 2 | |||||
| Negative | 2 | 1 | 1 | |||||||
The staining intensity for either the IgM or IgG flow assay is given, whichever was highest.
