TABLE 1.
Interassay agreement
| Sample group | No. of isolates | Cryptococcal antigen latex test |
Cryptococcal LFA |
||
|---|---|---|---|---|---|
| Result | Titer | Result | Titer | ||
| Sabouraud dextrose broth (negative control) | NAa | 1+ | NA | − | NA |
| C. albicans ATCC 60433 (negative control) | 1 | 1+ | NA | − | NA |
| C. neoformans (positive control) | 1 | 4+ | 1:1,024 | + | 1:256 |
| Rhodotorula glutinis | 1 | 1+ | NA | − | NA |
| Rhodotorula minuta | 2 | 1+ | NA | − | NA |
| Rhodotorula mucilaginosab | 5 | 1+ | NA | − | NA |
| Rhodotorula slooffiae | 1 | 1+ | NA | − | NA |
| Sporobolomyces salmonicolorc | 5 | 1+ | NA | − | NA |
| Trichosporon asahii | 3 | 4+ | 1:32 | + | 1:32 |
| Ustilago maydis | 3 | 4+ | 1:32 | + | 1:16 |
a
NA, not applicable.
b
A single Rhodotorula mucilaginosa isolate was weakly positive by the cryptococcal antigen latex test at a titer of 1:1.
c
A single Sporobolomyces salmonicolor isolate was weakly positive by the cryptococcal antigen latex test at a titer of 1:4.