Table 5 Results of relation between external assessment and output indexes (Pearson correlation coefficient)

Data source: audit (n = 89)
Level of analysis: wards
	Clinical			Safety	Patient-centredness	Cross-border patient-centredness
	Maternity	Surgery	Medical	Safety	Patient-centredness	Cross-border patient-centredness
Government accreditation	NS	NS	p = 0.060	p = 0.009	NS	NS
Voluntary accreditation	NS	NS	p = 0.019	p<0.001	NS	p = 0.020
Teaching accreditation	NS	NS	p = 0.002	NS	NS	NS
ISO	NS	NS	NS	NS	p = 0.020	p = 0.034
External pressure index	NS	NS	NS	p = 0.007	p = 0.007	p = 0.002