near-significantP=0.056
Errors with interruptive CDS saw significant reductions in error rate after CPOE implementation at site 1 (2.9% vs 0.3%, P<0.001) and site 2 (5.5% vs 3.0%, P=0.002), with a near-significant reduction at site 3 (7.8% vs 5.7%, P=0.056).