Table 3.

Association between AE and hospital characteristics

Hospital characteristics	Total (n)	AE, n (%)	without AE, n (%)	p-value
Reporting system
Yes	3731	494 (13.2%)	3237 (86.8%)	<0.001
No	494	35 (7.1%)	459 (92.9%)
Accreditation status
Yes	2297	314 (13.7%)	1983 (86.3%)	<0.001
No	1928	215 (11.2%)	1713 (88.9%)
Type of hospital
University	1356	216 (15.9%)	1143 (84.1%)	<0.001
Non-university	2866	313 (10.9%)	2553 (89.1%)
Hospital dimension
Small (<10 000 admission/year)	721	93 (12.9%)	628 (87.1%)	<0.001
Medium (from 10 001 to 18 000 admissions/year)	1321	123 (9.3%)	1198 (90.7%)
Large (≥18 001 admissions/year)	2183	313 (14.3%)	1870 (85.7%)
Electronic prescribing drug
Yes	2239	295 (13.2%)	1943 (86.8%)	0.183
No	1987	234 (11.8%)	1753 (88.2%)