TABLE 3.
Blood Culture Contamination Pathogens by Genus Group
| Baseline | Intervention | ||||||
|---|---|---|---|---|---|---|---|
| Arm 1 | Arm 2 | Arm 3 | Arm 1 | Arm 2 | Arm 3 | Total | |
| Aerococcus sp. | 0 | 0 | 0 | 1 (0.3) | 0 | 0 | 1 (0.1) |
| Bacillus sp. (not anthracis) | 5 (3.1) | 4 (3.6) | 6 (4.1) | 9 (2.7) | 8 (2.3) | 8 (3.5) | 40 (3) |
| Corynebacterium sp. | 2 (1.2) | 3 (2.7) | 3 (2.1) | 8 (2.4) | 9 (2.6) | 5 (2.2) | 30 (2.3) |
| Diphtheroids | 3 (1.9) | 0 | 1 (0.7) | 5 (1.5) | 2 (0.6) | 0 | 11 (0.8) |
| Lactobacillus sp. | 0 | 0 | 0 | 0 | 1 (0.3) | 1 (0.4) | 2 (0.2) |
| Micrococus sp. | 1 (0.6) | 0 | 2 (1.4) | 4 (1.2) | 3 (0.9) | 3 (1.3) | 13 (1) |
| Peptostreptococcus sp. | 0 | 0 | 1 (0.7) | 2 (0.6) | 0 | 2 (0.9) | 5 (0.4) |
| Propionibacterium sp. | 0 | 0 | 2 (1.4) | 3 (0.9) | 4 (1.2) | 0 | 9 (0.7) |
| Saccharomyces sp. | 2 (1.2) | 0 | 0 | 1 (0.3) | 0 | 0 | 3 (0.2) |
| Staphylococcus, coagulase-negative species | 136 (84) | 93 (83) | 128 (88.3) | 274 (83.3) | 293 (85.7) | 196 (86) | 1,120 (85) |
| Streptococcus sp.a | 13 (8) | 12 (10.7) | 2 (1.4) | 22 (6.7) | 22 (6.4) | 13 (5.7) | 84 (6.4) |
| Total pathogens | 162 | 112 | 145 | 329 | 342 | 228 | 1,318 |
NOTE. All data are no. (%). Multiple pathogens per specimen were allowed.
a
Viridans group and gamma hemolytic Streptococcus, not Enterococcus sp.