Table 4.

Severity of adverse events

NCC MERP Grade15	Descriptor	Adverse events	Total adverse events (%)
E	Temporary harm to the patient and required intervention	605	60.4
F	Temporary harm to the patient and required initial or prolonged admission	318	31.8
G	Permanent patient harm	18	1.8
H	Intervention required to sustain life	43	4.3
I	Patient death	17	1.7
Total		1001

National Coordinating Council for Medication Error Reporting and Prevention (NCC MERP) Index.²³