Volume 10, Number 5—May 2004
Research
Enzyme-Linked Immunosorbent Assay and Serologic Responses to Pneumocystis jiroveci
Table 1
Geometric mean values and 95% CI of ELISA by blood donor, PCP-positive, PCP-negative, and HIV status for each antigena
ELISA | Antigen | Blood donor, n = 95 (95% CI) | PCP+, n = 33 (95% CI) | PCP–, n = 66 (95% CI) | HIV+ (PCP+, PCP–), n = 94 (95% CI) |
---|---|---|---|---|---|
1 (n = 189) |
A |
1.2 (0.8 to 1.8) |
6.8 (4.1 to 11.3) |
6.0 (4.6 to 7.7) |
6.2 (4.9 to 7.9) |
B |
1.0 (0.7 to 1.4) |
3.7 (2.4 to 5.8) |
2.9 (2.3 to 3.6) |
3.2 (2.5 to 3.9) |
|
C |
2.0 (1.2 to 3.1) |
13.0 (7.9 to 21.4) |
7.5 (6.0 to 9.3) |
9.1 (7.3 to 11.4) |
|
2 (n = 189) |
A |
9.0 (6.3 to 12.7) |
31.2 (22.0 to 44.2) |
28.9 (21.2 to 39.5) |
29.7 (23.6 to 37.4) |
B |
4.2 (2.7 to 6.6) |
16.2 (11.5 to 22.7) |
15.0 (11.9 to 18.9) |
15.4 (12.8 to 18.6) |
|
C |
21.4 (15.0 to 30.7) |
57.8 (48.1 to 69.3) |
39.1 (31.7 to 48.2) |
44.9 (38.5 to 52.2) |
|
3 (n = 189) | A |
18.6 (10.5 to 32.9) |
73.5 (53.0 to 102.1) |
73.8 (54.1 to 100.7) |
73.7 (58.6 to 92.7) |
B |
8.2 (4.0 to 16.6) |
102.6 (73.0 to 144.2) |
103.8 (83.0 to 129.7) |
103.4 (86.1 to 124.2) |
|
C | 22.1 (12.6 to 38.6) | 120.1 (99.8 to 144.5) | 81.2 (66.7 to 98.9) | 93.2 (80.5 to 107.9) |
aCI, confidence interval; ELISA, enzyme-linked immunosorbent assay; PCP, Pneumocystis pneumonia.