Table 3.

Distribution of CAS and intervention effectiveness for CHF studies

Total CAS Score	Rating of Intervention Effectiveness			Total No. Studies with each CAS Score
	0	0.5	1
1	1	2	0	3
2	6	13	0	19
3	0	10	3	13
4	0	1	10	11
Total	7	26	13	46

P < 0.001