Table 1.
Degree of bioburden on orthopaedic operating room surfaces measured in relative light units (RLUs)
| OR surface | Mean | SD | Minimum | Maximum |
|---|---|---|---|---|
| Inside sterilized pan | 9.2 | 5.5 | 5 | 20 |
| OR preparation table (predrape) | 1054 | 387.5 | 403 | 1562 |
| OR preparation table (postdrape) | 8.3 | 3.4 | 5 | 14 |
| OR light handles | 647.8 | 903.7 | 84 | 2456 |
| Bovie machine buttons | 1264.5 | 638.8 | 366 | 2278 |
| Supply closet countertops | 281.7 | 236.7 | 83 | 677 |
| Inside Bair Hugger™ hose | 212.5 | 155.7 | 72 | 423 |
| Bair Hugger™ buttons | 1340.8 | 1064.1 | 278 | 2880 |
| Right side of OR table headboard | 2539 | 5635.8 | 142 | 14,042 |
| Tourniquet machine buttons | 1666.5 | 2144.9 | 453 | 5994 |
| Clark-socket attachment | 1135.7 | 705.3 | 273 | 2159 |
| Patient positioner | 1201.7 | 1144.9 | 296 | 3428 |
| Computer keyboard | 1810.8 | 929.6 | 297 | 2588 |
OR = operating room.