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Table 1 Grades of (sub)optimal care given by the expert panel (in both groups allpatients are hypertensive)

From: The role of 'confounding by indication' in assessing the effect of quality of care on disease outcomes in general practice: results of a case-control study

   

Cases

Controls

   

n

%

n

%

Grading:

0

No sub-optimal factors have been identified

12

43

18

31

 

1

Sub-optimal factor(s) have been identified, but are unlikely to be related to the occurrence of stroke in this patient

8

29

18

31

 

2

Sub-optimal factor(s) have been identified, and possibly have failed to prevent the stroke in this patient

4

14

18

31

 

3

Sub-optimal factor(s) have been identified, and are likely to have failed to prevent the stroke in this patient

4

14

4

7

Sub-optimal care

 

Grading 1, 2, 3

16

57

40

69

Total

 

Grading 0, 1, 2, 3

28

100

58

100