Table 3 Contribution of the alternative methods to the diagnosis of pneumococcal CAP
| Â | Â | Â | All conventional tests | Blood culture | BinaxNow | Sputum culture | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | Â | Total | Pos N (%) | Neg N (%) | Pos N (%) | Neg N (%) | Nd N | Pos N (%) | Neg N (%) | Nd N | Pos N (%) | Neg N (%) | Nd N |
| Â | Total | 309 | 64 | 245 | 28 | 273 | 8 | 52 | 255 | 2 | 15 | 279 | 15 |
qPCR | Pos | 16 | 13 (29) | 3 (02) | 9 (45) | 4 (2) | 3 | 10 (29) | 6 (3) | 0 | 4 (33) | 9 (5) | 3 |
| Â | Neg | 195 | 32 (71) | 163 (98) | 11 (55) | 180 (98) | 4 | 24 (71) | 169 (97) | 2 | 8 (67) | 176 (95) | 11 |
| Â | Nd | 98 | 19 | 79 | 8 | 89 | 1 | 18 | 80 | 0 | 3 | 94 | 1 |
IMIA | Pos | 39 | 20 (43) | 19 (11) | 11 (55) | 27 (14) | 1 | 16 (41) | 23 (13) | 0 | 3 (38) | 32 (16) | 4 |
| Â | Neg | 184 | 27 (57) | 157 (89) | 9 (45) | 171 (86) | 4 | 23 (59) | 161 (86) | 0 | 5 (62) | 172 (84) | 0 |
| Â | Nd | 86 | 17 | 69 | 8 | 75 | 3 | 13 | 71 | 2 | 7 | 75 | 4 |
MIA | Pos | 37 | 19 (40) | 18 (15) | 9 (43) | 26 (10) | 2 | 13 (36) | 23 (9) | 1 | 6 (40) | 23 (9) | 8 |
Neg | 134 | 29 (60) | 105 (85) | 12 (57) | 230 (90) | 4 | 23 (64) | 222 (91) | 1 | 9 (60) | 232 (91) | 5 | |
| Â | Nd | 138 | 16 | 125 | 7 | 17 | 2 | 16 | 10 | 0 | 0 | 24 | 2 |