TABLE 3.

Staining intensity of Brucella IgM and IgG lateral flow assays for serum samples collected at the time of first diagnosis

Assay and patient groupNo. of serum samples with the indicated staining intensity
Negative+/−1+2+3+4+
Brucella IgM flow assay
    Confirmed case patients291417209
    Unconfirmed patients with clinical suspicion of brucellosis55181712141
    Controlsa271311
Brucella IgG flow assay
    Confirmed case patients1632427136
    Unconfirmed patients with clinical suspicion of brucellosis3415371956
    Controls27312
  • a Patients with fever and patients with illnesses other than brucellosis.