Events No Prevalence Adverse Events Preventable 33 (36.2) 0.19 Non-Preventable 27 (44.3) 0.55 Total 60 (86.7) 0.13 Non Injurious Serious errors Intercepted 68 (89.6) 0.23 Non-Intercepted 46 (60.6) 0.57 Either 114 (158.4) 0.6

Table 4: Incident frequencies.