Table 2
Patients with pneumococcal pneumonia: results of diagnostic techniques
| Technique | Sensitivity |
| Blood culture | 11/40 (28%) |
| TNA culture | 6/24 (25%) |
| Pleural fluid culture | 6/10 (60%) |
| Sputum culture | 5/25 (20%) |
| Pleural fluid PCR | 2/4 (50%) |
| TNA PCR | 16/22 (73%) |
| Blood PCR | 22/40 (55%) |
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TNA = transthoracic needle aspiration; PCR = polymerase chain reaction.
