Table 1.
Demographic Information and Colonization Rates for the 2014 and 2016 Cohort
| Year | |||
|---|---|---|---|
| Patient Variable, No. (%) | 2014 (n = 1209) | 2016 (n = 1243) | P Value |
| Sex–female | 591 (48.9) | 548 (44.1) | .017 |
| Age, mean ± SD, y | 57.9 ± 16.4 | 58.9 ± 16.4 | .119 |
| Race–white | 990 (81.9) | 1059 (85.2) | .028 |
| Black | 128 (10.6) | 121 (9.7) | |
| Other | 91 (7.5) | 63 (5.1) | |
| Admits from nursing home | 3 (0.2) | 2 (0.2) | .683 |
| Length of stay, mean ± SD, d | 11.5 ± 17.0 | 13.2 ± 17.4 | .017 |
| Death within 30 d | 110 (9.1) | 120 (9.7) | .637 |
| Elixhauser comorbidity score, mean ± SD | 7.22 ± 8.7 | 6.92 + 7.5 | .363 |
| Klebsiella pneumoniae– colonized | 209 (17.3) | 91 (7.3) | <.0001 |
| VRE-colonized | 118 (9.8) | 96 (7.7) | .074 |
| Primary service–surgery | 216 (17.9) | 224 (18.0) | .094 |
| GynOnc | 117 (9.7) | 87 (7.0) | |
| Cardiac | 119 (9.8) | 100 (8.1) | |
| HemOnc | 181 (15.0) | 194 (15.6) | |
| Medical critical care | 78 (6.5) | 69 (5.6) | |
| Medicine | 229 (19.0) | 249 (20.0) | |
| Burn | 17 (1.4) | 13 (1.0) | |
| Cardiothoracic surgery | 184 (15.2) | 222 (17.9) | |
| Other | 68 (5.6) | 85 (6.8) | |
Differences between the cohorts were calculated using the Student t test for continuous variables and the chi-square or Fisher exact test for categorical variables.
Abbreviation: VRE, vancomycin-resistant Enterococci.