Table 5.
Median grades (interquartile ranges) for the three intervention periods
| N | SDD | SOD | Standard care | P value | |
|---|---|---|---|---|---|
| median (IQR) | median (IQR) | median (IQR) | |||
| Nurses | |||||
| Workloada | 207 | 5.0 (4.0-7.0) | 4.0 (3.0-6.0) | 2.0 (1.0-4.0) | 0.000 |
| Pt friendlinessb | 197 | 4.0 (2.0-5.0) | 4.0 (3.0-6.0) | 7.0 (3.0-9.0) | 0.000 |
| Physicians | |||||
| Workloada | 30 | 5.5 (3.8-7.0) | 5.0 (3.0-6.0) | 2.5 (2.0-4.0) | 0.000 |
| Pt friendlinessb | 27 | 6.0 (4.0-7.0) | 6.0 (4.0-6.0) | 8.0 (6.0-9.0) | 0.003 |
IQR, interquartile range; N, number of responses; pt, patient; SDD, selective decontamination of the digestive tract; SOD, selective oropharyngeal decontamination.
significance based upon Friedman test.
a Workload measured on a scale from 1 (low) to 10 (high).
b Patient friendliness measured on a scale from 1 (poor) to 10 (excellent).