Table 4 Results of relation between strategy indexes and output indexes (multiple regression model)

Data source: audit (n = 89)
Level of analysis: wards
Response variables: output measures	Maternity		Internal medicine		Surgery
Response variables: output measures	Explanatory strategies in descending rank order	r² (%)	Explanatory strategies in descending rank order	r² (%)	Explanatory strategies in descending rank order	r² (%)
Clinical	Performance indicators	52	Performance indicators	71	Performance indicators	63
	Internal assessment		Clinical guidelines		Clinical guidelines

Safety	Patient safety	47	Patient safety	33	Patient safety	40
	Patient views				Clinical guidelines

Patient-centredness	Patient views	32	Performance indicators	30	Performance indicators	28
	Patient safety		Patient safety		Clinical guidelines

Cross-border patient-centredness	Patient safety	30	Patient safety	22	Patient safety	20
	TQM		Performance indicators