TABLE 2.
Results of conventional microscopy and single and nested PCRs and correlation with clinical evidence for PCP in patients with acute respiratory symptoms for samples and patients
| Patient status | Total no. of samples (total no. of patients) | No. of samples (no. of patients) that were:
|
|||
|---|---|---|---|---|---|
| Nested- PCR positive | Single- PCR positive | Microscopy positive | Positive clinically for P. cariniia | ||
| HIV positive | 134 (89) | 39 (21) | 31 (20) | 28 (20) | 38 (20) |
| Transplant recipient | 144 (61) | 20 (10) | 10 (5) | 6 (3) | 6 + 2 (3 + 1) |
| Malignancy | 115 (66) | 17 (11) | 10 (6) | 3 (2) | 4 + 2 (2 + 2) |
| Immunosuppressed | 52 (34) | 11 (7) | 4 (2) | 3 (1) | 3 + 1 (1 + 1) |
| Immunocompetent | 129 (84) | 16 (14) | 2 (2) | 0 (0) | 0 (0) |
a
Figures added by a plus sign represent possible cases of P. carinii infection as defined in Materials and Methods.