TABLE 2.
PCR results for sera from patients with lobar or segmental pneumonia, AOM, and or viral URIs in relation to positive pneumococcal blood culture, positive pneumococcal MEF culture, positive pneumococcal NP swab culture, or negative pneumococcal cultures
| Clinical presentation and culture resultsa | No. of specimens positive/no. tested | % Positive | P for trend in proportions |
|---|---|---|---|
| Lobar or segmental pneumonia (n = 34) | |||
| + blood | 3/3 | 100 | |
| − blood, + NP swab | 10/27 | 37 | <0.03 |
| − blood, − NP swab | 0/4 | 0 | |
| AOM (n = 32) | |||
| + MEF, + NP swab | 5/12 | 42 | |
| − MEF, + NP swab | 5/9 | 56 | Not significant |
| − MEF, − NP swab | 4/11 | 36 | |
| Viral URI (n = 11) | 5/11 | 45 | − |
a
+, positive for S. pneumoniae by culture; −, negative for S. pneumoniae by culture.