Table 4.
Interrupted time series analysis.
| Total number of room visits |
Total used PPE |
Total number of MEWS visits |
|||||||
|---|---|---|---|---|---|---|---|---|---|
| B | 95% CI | p-value | B | 95% CI | p-value | B | 95%CI | p-value | |
| Day shift* | Reference | ||||||||
| Evening shift | −0.712 | −0.879 / −0.545 | 0.000 | −0.538 | −0.645 / −0.431 | 0.000 | −0.427 | −0.760 / −0.093 | 0.012 |
| Night shift | −0.536 | −0.640 / −0.432 | 0.000 | −0.722 | −0.892 / −0.552 | 0.000 | −0.385 | −0.944 / 0.174 | 0.177 |
| Nurse-to-patient ratio | −0.048 | −0.136 / 0.040 | 0.260 | −0.053 | −0.145 / 0.039 | 0.235 | −0.104 | −0.330 / 0.122 | 0.366 |
| Intermittent monitoring* | Reference | ||||||||
| Continuous monitoring | 0.105 | −0.065 / 0.275 | 0.226 | 0.112 | −0.059 / 0.282 | 0.200 | 0.614 | 0.000 / 1.228 | 0.050 |
| Slope before | 0.001 | −0.17 / 0.018 | 0.949 | −0.001 | −0.018 / 0.016 | 0.915 | −0.105 | −0.154 / −0.057 | 0.000 |
| Slope change | −0.003 | −0.022 / 0.016 | 0.761 | −0.002 | −0.021 / 0.017 | 0.835 | 0.046 | −0.008 / 0.099 | 0.097 |
| Slope after | −0.002 | −0.010 / 0.005 | 0.521 | −0.003 | −0.010 / 0.004 | 0.435 | −0.059 | −0.088 / −0.031 | 0.000 |
⁎
Day shift and Intermittent monitoring were used as reference values in the model.
PPE personal protection equipment; MEWS Modified Early Warning Score; CI confidence interval, B beta-coefficient (the degree of change per time point).