Table 1

Comparison of medication error incidents before and after introduction of the biometric palm vein medication authentication system

	18 months before	18 months after	P value*
Total number of patients	3444	3523
Total number of incidents of errors	1209	1051
Type of medication administration errors misidentification	6	2
Non-compliant medication	1	3
Total number of incidents of errors/total number of patients	1209/3444	1051/3523	<0.0001
Misidentification errors/total number of incidents of errors	6/3444	2/3523	<0.0001