Table 3.

Main categories and underlying causal attributions of incidents (n=140)

Incidents mainly attributed to	Technology
	Infusion therapy n (%)	Parenteral nutrition n (%)	Morphine pumps n (%)
Product	37 (46.3)	6 (46.2)	18 (38.3)
Technical defect in the device	14 (17.5)	5 (38.5)	11 (23.4)
Correct device not present or device component(s) missing	12 (15.0)	0 (0)	2 (4.3)
Manual unclear, incomplete, not available or unsuitable for the home situation	1 (1.3)	0 (0)	0 (0)
Device unsuitable for the home situation, because …	1 (1.3)	0 (0)	0 (0)
Incorrect medication preparation, administration or delivery	5 (6.3)	1 (7.7)	5 (10.6)
Other	4 (5.0)	0 (0)	0 (0)
Environment	12 (15.0)	2 (15.4)	4 (8.5)
Climate in the room (eg, temperature, humidity, lighting, noise)	0 (0)	0 (0)	1 (2.1)
Hygiene of the room	2 (2.5)	0 (0)	0 (0)
Room too small	0 (0)	0 (0)	0 (0)
Presence of children	0 (0)	0 (0)	0 (0)
Presence of pets	0 (0)	2 (15.4)	1 (2.1)
Power failure or interference with other electrical devices	0 (0)	0 (0)	0 (0)
Incorrect use by patient and/or informal caregiver(s)	8 (10.0)	0 (0)	1 (2.1)
Other	2 (2.5)	0 (0)	1 (2.1)
Organisation of care	20 (25.0)	4 (30.8)	15 (31.9)
Unclear tasks, responsibilities and/or authorisations	3 (3.8)	2 (15.4)	3 (6.4)
Error or transfer error by a colleague or other healthcare professional	14 (17.5)	2 (15.4)	11 (23.4)
Poor maintenance of the device, including cleaning	2 (2.5)	0 (0)	0 (0)
Other	1 (1.3)	0 (0)	1 (2.1)
Human factors: Yourself as a user	11 (13.8)	1 (7.7)	10 (21.3)
Insufficient knowledge/skills regarding the use of the device	0 (0)	0 (0)	1 (2.1)
Stress or fatigue	0 (0)	0 (0)	0 (0)
Inattention or error	7 (8.8)	1 (7.7)	5 (10.6)
Failure in situational awareness	1 (1.3)	0 (0)	0 (0)
Incorrect calculation of medication	1 (1.3)	0 (0)	4 (8.5)
Other	2 (2.5)	0 (0)	0 (0)
Total	80 (100)	13 (100)	47 (100)