TABLE 3.
Significance of elevated titers in sera from patients with LB versus sera from healthy forest workers by different IgG ELISAs
| Antigen | OD value | % of sera with OD values greater than the indicated level
|
P valuea | |
|---|---|---|---|---|
| Patients with LB (n = 222) | Forest workers (n = 458) | |||
| PKo | >2.5 | 9.5 | 8.1 | >0.05 |
| >1.5 | 17.6 | 20.3 | >0.05 | |
| >0.5 | 38.7 | 31.7 | >0.05 | |
| PBi | >2.5 | 5.0 | 1.3 | <0.01 |
| >1.5 | 15.3 | 7.9 | <0.01 | |
| >0.5 | 32.0 | 21.6 | <0.01 | |
| PKa2 | >2.5 | 5.9 | 1.7 | <0.01 |
| >1.5 | 15.3 | 7.9 | <0.01 | |
| >0.5 | 33.3 | 22.3 | <0.01 | |
| B31 | >2.5 | 0.5 | 0.4 | >0.05 |
| >1.5 | 10.5 | 4.6 | <0.01 | |
| >0.5 | 24.5 | 16.4 | <0.05 | |
a
Differences between patients with LB and forest workers were analyzed by Fisher’s exact test.