Table 3.
Predictive values of bacteriologic results from NP and MEF according to the presence or absence of the main otopathogens in AOM
| Otopathogens detected | Prevalence (NW/MEF) | PPV | NVP | Sensitivity | Specificity | |||
|---|---|---|---|---|---|---|---|---|
| +/+ | +/- | -/+ | -/- | 95% Confidence intervals | ||||
| S. pneumoniae | 127 | 133 | 19 | 251 | 48.85 | 92.96 | 86.99 | 65.36 |
| 4.62 to 55.1 | 89.23 to 95.71 | 80.42 to 91.98 | 60.37 to 70.12 | |||||
| NTHi | 170 | 83 | 17 | 260 | 67.19 | 93.86 | 90.91 | 75.80 |
| 61.03 to 72.94 | 90.35 to 96.38 | 85.84 to 94.61 | 70.91 to 80.24 | |||||
| M. catarrhalis | 93 | 159 | 10 | 268 | 36.9 | 96.4 | 90.29 | 62.76 |
| 30.93 to 43.19 | 93.48 to 98.26 | 82.87 to 95.24 | 57.99 to 67.36 | |||||
Note: PPV: Positive predictive value. NPV: Negative predictive value.