Table 7

 Analysis of prescribing errors before (epoch 1) and after (epoch 2) phase one of Safer Patients Initiative (SPI1)

Control hospitalsSPI1 hospitals
Epoch 1Epoch 2*Epoch 1Epoch 2*
No of patients†233239381378
No of prescriptions548262071066411538
Prescriptions per patient23.526.028.030.5
Total No of errors59656411571530
Error rate (SE)‡0.14 (0.02)0.11 (0.01)0.15 (0.02)0.15 (0.01)

*After intervention.

†With medication charts available for review.

‡Adjusted for date of review.