Table 1.

Characterization of adverse drug events identified in 300 patients studied in a university hospital

	ADEsa (n = 104)
	n (%)	With trigger	Preventable
Hypotension	22 (21.2)	13	7
Constipation	19 (18.3)	13	12
Hyperglycaemia	14 (13.5)	7	4
Haemorrhage	13 (12.5)	5	2
Renal lesion	10 (9.6)	8	8
Drowsiness	7 (6.7)	5	3
Nausea/vomiting	5 (4.8)	4	0
Diarrhoea	4 (3.8)	4	0
Hypoglycaemia	3 (2.9)	2	2
Change in respiratory pattern	2 (1.9)	1	0
Skin rash	2 (1.9)	2	0
Tachycardia	2 (1.9)	0	0
Hypertension	1 (1.0)	0	1

^aADEs, Adverse drug events.