Table 1.
Bayesian hierarchical spatio-temporal (two-week lag) models of non-multiresistant and multiresistant methicillin resistant Staphylococcus aureus in a tertiary hospital, Brisbane, Australia, 2007
| |
nmMRSA |
mMRSA |
||||
|---|---|---|---|---|---|---|
| Unstructured random effects (v) | Spatially structured random effects (u) | Spatially unstructured and structured random effects (v + u) | Unstructured random effects (v) | Spatially structured random effects (u) | Spatially unstructured and structured random effects (v + u) | |
| Parameters |
Mean (95% CrI ) |
Mean (95% CrI ) |
Mean (95% CrI ) |
Mean (95% CrI ) |
Mean (95% CrI ) |
Mean (95% CrI ) |
| Intercept |
-6.34 (-6.86 to 5.88) |
-6.79 (-7.35 to -6.26) |
-9.55 (-11.99 to -7.75) |
-4.33 (-4.60 to -4.06) |
-4.65 (-5.03 to -4.33) |
-8.83 (-8.81 to -7.74) |
| Odds ratio* |
7.09 (4.53 to 11.05) |
10.29 (6.83 to 15.10) |
6.42 (4.10 to 10.18) |
4.15 (3.18 to 5.47) |
4.75 (3.72 to 6.12) |
6.17 (4.14 to 10.07) |
| Trend coefficient |
1.01 (1 to 1.02) |
1.01 (1 to 1.02) |
1.02 (1 to 1.02) |
0.98 (0.97 to -0.98) |
0.98 (0.97 to -0.98) |
0.99 (0.97 to -0.99) |
| Variance Cubicle-level random effect |
1.71 (0.98 to 2.73) |
0.21 (0.05 to 0.56) |
1.49 (0.63 to 2.92)(v); 0.11 (0.02 to 0.36)(u) |
1.21 (0.78 to 1.71) |
0.34 (0.12 to 0.68) |
1.18 (1.42 to 2.31)(v); 0.11 (0.02 to 0.36)(uc |
| DIC | 1700.51 | 1754.34 | 1742.86 | 3819.19 | 3865.12 | 3815.46 |
*For presence of a patient with the same type of MRSA in the cubicle two weeks prior.