TABLE 3.
False-negative results reported by participants in rounds 1 and 2 of the leptospirosis MAT proficiency testing scheme
| Round | No. of false-negative results/total no. of results (%) with:
|
||
|---|---|---|---|
| Homologous serovars | Heterologous serovars within the serogroup | Combined negative results | |
| 1 | 12/123 (10) | 10/72 (14) | 22/195 (11) |
| 2 | 25/197 (13) | 26/160 (16) | 51/357 (14) |
| 1 and 2 combined | 37/320 (12) | 36/232a (16) | 73/552 (13) |
a
By comparison of results with homologous and heterologous serovars, χ21 df = 1.833 and P = 0.18.