Table 1.

Missed treatments by cause during 2012

Variables	All	Hospitalization	ED visit	Procedure	Absence
Events, n	462,028	208,478	8885	546	244,119
Rate per patient-year	15.31	6.91	0.29	0.02	8.09
% of all missed treatments		45.1	1.9	0.1	52.8

Notes: Total time at risk: 30,178 patient-years. Total number of missed treatments per patient was capped at 78.

Abbreviation: ED, emergency department.