Table 3

 Percentage of inappropriate stays (all reasons) and differences between periods in the intervention and control groups

Control groupIntervention group
n (%)95% CIn (%)95% CI
PeriodBasal274 (21.53)16.81 to 26.87322 (14.29)10.65 to 18.59
Intervention648 (23.61)20.39 to 27.07774 (7.88)6.08 to 10.01
Post-intervention346 (27.17)22.54 to 32.18355 (11.83)8.66 to 15.65
Total1268 (24.13)21.80 to 26.581451 (10.26)8.75 to 11.94
DifferencesBasal v intervention2.08–3.79 to 7.94–6.40–10.7 to –2.14