Table 4.

Human factors and contributing factors (n = 6680)

Type of factors	n	%
Human factors, n = 3340
Performance deficit	1436	21.5
Knowledge deficit	504	7.5
Inadequate screening of patient	445	6.7
Miscalculation of dose or infusion rate	341	5.1
Failure to activate delivery system properly	173	2.6
Wrong amount of active medication used	126	1.9
Error in stocking	108	1.6
Wrong diluent used for infusion	69	1.0
Stress	55	0.8
Wrong amount of diluent used	48	0.7
Wrong medication added to infusion	27	0.4
Intimidating behaviour	8	0.1
Contributing factors, n = 3340
Policies and procedures	1619	24.2
Frequent interruptions and distractions	639	9.6
Communication relating to patient movements	461	6.9
Lack of available trained health professionals	216	3.2
Inadequate training provided	155	2.3
Insufficient or incorrect counselling offered to patients or parents	126	1.9
Floor stock	124	1.9