Comparison of total and different types of errors in the baseline and post-intervention phase
Type of errors | Baseline phase N=180 | Post-intervention phase N=212 | P value | |||
No | % | No | % | |||
Wrong dose | 36 | 20 | 3 | 1.4 | <0.001 | |
Wrong time | 20 | 11.1 | 5 | 2.4 | 0.002 | |
Wrong interval | 16 | 8.9 | 2 | 1 | <0.001 | |
Wrong preparation | 22 | 12.2 | 2 | 1 | <0.001 | |
Wrong rate | 16 | 8.9 | 2 | 1 | 0.004 | |
Omission | 6 | 1.4 | 1 | 0.5 | 0.19 | |
Wrong transcription | 12 | 6.6 | 7 | 3.3 | 0.117 | |
Total errors | 128 | 71.1 | 22 | 10.4 | <0.001 | |
Mean errors/patient (+SD) | 4.06+3.04 | 0.58+0.76 | – | |||
Errors/ prescription | Single | 74 | 41.1 | 22 | 10.4 | <0.001 |
2 or more | 24 | 13.3 | 0 | 0 | – |