Table 4.
Association of BSI with PCV7 opsonophagocytosis titers
| Reached >1:8 N (%) |
χ2 test p Value | |
|---|---|---|
| PN4 | ||
|
| ||
| No BSI (n=159) | 158 (99.4) | reference |
| BSI (n=76) | 75 (98.7) | 1.0 |
| gram positive organism (n=57) | 56 (98.3) | 1.0 |
| gram positive no CoNS (n=9) | 8 (88.9) | .10 |
| gram negative organism (n=16) | 16 (100) | 1.0 |
|
| ||
| PN6B | ||
|
| ||
| No BSI (n=159) | 154 (96.9) | reference |
| BSI (n=76) | 62 (82.7) | <.01* |
| gram positive organism (n=56) | 46 (82.1) | <.01** |
| gram positive no CoNS (n=8) | 6 (75) | .04 |
| gram negative organism (n=16) | 13 (81.3) | .03 |
|
| ||
| PN14 | ||
|
| ||
| No BSI (n=159) | 157 (98.7) | reference |
| BSI (n=76) | 75 (98.7) | 1.0 |
| gram positive organism (n=57) | 56 (98.3) | 1.0 |
| gram positive no CoNS (n=9) | 9 (100) | 1.0 |
| gram negative organism (n=16) | 16 (100) | 1.0 |
|
| ||
| PN23F | ||
|
| ||
| No BSI (n=159) | 157 (98.7) | reference |
| BSI (n=76) | 71 (94.7) | .09 |
| gram positive organism (n=56) | 53 (94.6) | .11 |
| gram positive no CoNS (n=8) | 8 (100) | 1.0 |
| gram negative organism (n=16) | 15 (93.8) | .25 |
*
-Adjusted odds ratio = 0.26 (95% CI 0.07, 0.92), p=0.04
**
-Adjusted odds ratio = 0.28 (95% CI 0.07, 1.03), p=0.05