Table 2.

Descriptive statistics for hospital- and departmental-level quality variables

	All departments		AMI		Deliveries		Hip fracture		Stroke
	Mean	(SD)	Mean	(SD)	Mean	(SD)	Mean	(SD)	Mean	(SD)
Index and score variables (level) (scale range)
Quality Management System Index (hospital level) (0–27)	19.4	(4.1)	19.4	(4.1)	19.3	(4.1)	19.4	(4.1)	19.4	(4.1)
Quality Management Compliance Index (hospital level) (0–16)	10.4	(3.0)	10.4	(3.1)	10.3	(3.1)	10.4	(3.1)	10.4	(3.1)
Clinical Quality Implementation Index (hospital level) (0–14)	8.4	(2.9)	8.4	(2.9)	8.4	(2.9)	8.4	(2.9)	8.4	(2.9)
Specialized Expertise and Responsibility (department level) (0–4)	2.6	(1.1)	2.7	(1.1)	2.8	(1.1)	2.2	(0.9)	2.7	(1.2)
Evidence-Based Organization of Departments (department level) (0–4)	3.0	(1.0)	3.2	(0.9)	3.7	(0.3)	2.3	(1.1)	3.0	(1.0)
Patient Safety Strategies (department level) (0–4)	2.6	(0.6)	2.6	(0.6)	2.7	(0.6)	2.5	(0.6)	2.5	(0.6)
Clinical Review (department level) (0–4)	1.9	(1.4)	2.1	(1.4)	2.4	(1.4)	1.4	(1.3)	1.9	(1.5)