Table 1.
Patient group | Total no. of tests | No. of results (%) |
||
---|---|---|---|---|
Positive | False positiveb | Negative | ||
Adults | 580 | 87 (15) | 20 (3) | 473 (82) |
Neonates | 409 | 1 (<1) | 55 (13) | 353 (86) |
Multiple lots of media were used during the study period.
Determined using a comparison of proportions for the false-positive adult and neonatal results (P < 0.001).