Table 2. Correlation between hospital size and type of infection for each given year from 2005–2007.
| 2005 | 2006 | 2007 | |||||||
| R2 | slope | p-value | R2 | slope | p-value | R2 | slope | p-value | |
| Total Infections | 0.3 | 7.1 | 1×10−14 (***) | 0.4 | 11.4 | 4×10−20 (***) | 0.41 | 9.7 | 8×10−21 (***) |
| Urinary Tract | 0.22 | 4.0 | 7×10−11 (***) | 0.34 | 5.4 | 2×10−16 (***) | 0.28 | 4.4 | 2×10−13 (***) |
| Urinary Tract (device-associated) | no data | 0.29 | 4.0 | 6×10−14 ( *** ) | 0.32 | 3.4 | 2×10−15 ( *** ) | ||
| Urinary Tract (nondevice-associated) | no data | 0.12 | 1.4 | 4×10−06 ( *** ) | 0.05 | 1.0 | 0.0032 ( ** ) | ||
| Pneumonia | 0.03 | 0.4 | 0.0088 (**) | 0.02 | 0.5 | 0.0579 | 0.08 | 0.8 | 0.0001 (***) |
| Pneumonia (device-associated) | no data | 0 | −0.2 | 0.2374 | 0.05 | 0.2 | 0.0024 ( ** ) | ||
| Pneumonia (nondevice-associated) | no data | 0.06 | 0.7 | 0.0009 ( *** ) | 0.05 | 0.6 | 0.0029 ( ** ) | ||
| Bloodstream | 0.17 | 1.3 | 2×10−08 (***) | 0.22 | 1.4 | 1×10−10 (***) | 0.22 | 1.1 | 1×10−10 (***) |
| Bloodstream (device-associated) | no data | 0.13 | 0.9 | 7×10−07 ( *** ) | 0.12 | 0.6 | 3×10−06 ( *** ) | ||
| Bloodstream (nondevice-associated) | no data | 0.18 | 0.5 | 5×10−09 ( *** ) | 0.18 | 0.5 | 8×10−09 ( *** ) | ||
| Surgical Site | 0 | 1.0 | 0.249 | −0.01 | 0.3 | 0.6918 | 0 | −0.4 | 0.5343 |
| Gastrointestinal | no data | 0.13 | 1.7 | 9×10−07 (***) | 0.18 | 1.4 | 1×10−08 (***) | ||
| Other Infections | no data | 0.03 | 0.2 | 0.0132 (*) | 0.02 | 0.2 | 0.0524 | ||
| Multiple | 0.09 | 0.9 | 7×10−05 (***) | 0.24 | 1.9 | 2×10−11 (***) | 0.27 | 1.5 | 3×10−13 (***) |
*p<0.05,
**p<0.01,
***p<0.001