TABLE 1.
Odds ratios and mean differences with confidence interval for variables associated with urinary L. pneumophila antigen test positivity
| Sample and test | Odds ratio (confidence interval) for:
|
Mean difference (confidence interval) for:
|
|||
|---|---|---|---|---|---|
| CAP category 2 versus 1 | CAP category 3 versus 1 | Male gender | Days before first urine sample | No. of urine samples | |
| Nonconcentrated urine | |||||
| Biotest EIA | 2.5 (0.6-10.9) | 12.6 (2.1-74) | 2.4 (0.8-7.9) | 4.5 (1.3-7.6) | 0.7 (0.0-1.6) |
| Binax EIA | 4.5 (1.0-21.0) | 10.5 (2.1-52) | 4.2 (1.3-13.6) | 3.8 (0.7-6.9) | 0.4 (0.0-1.3) |
| Binax NOW | 6.5 (1.3-33.0) | 16.5 (2.8-98) | 3.0 (0.9-9.9) | 4.9 (1.2-8.5) | 0.7 (0.0-1.6) |
| Concentrated urine | |||||
| Biotest EIA | 5.0 (1.0-25.0) | 12.6 (2.1-74) | 2.5 (0.8-8.4) | 3.8 (0.4-7.2) | 0.6 (0.0-1.5) |
| Binax EIA | 6.1 (1.0-36.9) | 20.1 (2.1-190) | 3.4 (0.9-13.0) | 4.9 (1.2-8.5) | 0.8 (0.0-1.8) |
| Binax NOW | 6.1 (1.0-36.9) | 4.0 (2.2-7.3) | 1.8 (0.5-6.6) | 6.7 (3.1-10.3) | 1.0 (0.3-1.6) |