Table 4. Distribution of subjects used for evaluation.

Institution	Subjects used for evaluation
	All		Process Index*		Results Index
	Institution	Case	Institution	Case	Institution	Case
All	123 (100)	10,350 (100)	123 (100)	7,247 (100)	104 (100)	5,720 (100)
Tertiary general hospital	43 (35.0)	7,373 (71.2)	43 (35.0)	4,579 (63.2)	43 (41.3)	4,542 (79.4)
General hospital	77 (62.6)	2,974 (28.7)	77 (62.6)	2,665 (36.8)	61 (58.7)	1,178 (20.6)
Hospital	2 (1.6)	2 (0.1)	2 (1.6)	2 (0.0)	-	-
Clinic	1 (0.8)	1 (0.0)	1 (0.8)	1 (0.0)	-	-

Values are presented as number (%).

^*If an institution had less than 150 cases, the evaluation was made for all subject cases. If an institution had more than 150 cases, the evaluation was made for those sampled from subject cases.