TABLE 1.

Diagnostic accuracy of quantitative culturing techniques

TechniqueSensitivity (%)Specificity (%)Positive predictive value (%)Negative predictive value (%)Reference(s)
Bronchoscopic
    PSB89 (95% CI, 0.87-0.93)94 (95% CI, 0.92-0.97) 30
82777485 31
    BAL73 ± 18 (range, 42-93)82 ± 19 (range, 45-100) 199
91788387 31
    ICOs69 ± 2075 ± 28 199
91899189 31
Nonbronchoscopic
    BBS74-9774-100 26
    Mini-BAL63-10066-96 26
    PSB58-8671-100 26
86858090 128, 133
QEA
    ≥106 CFU/ml76 ± 9 (range, 38-82)75 ± 28 (range, 72-85) 38
    ≥106 CFU/ml6884 95, 133
    ≥105 CFU/ml6355 130
    ≥106 CFU/ml7585 130