Intervention category | No. of reviews included in analysis | Median AMSTAR score (min, max) | Range of publication year | Median no. of included studies within reviews (min, max) |
---|---|---|---|---|
Patient education and support | 21 | 8 (5, 11) | 1990 to 2010 | 21 (5, 82) |
Telemedicine | 10 | 5.5 (5, 9) | 2004 to 2011 | 20.5 (7, 44) |
Provider role changes | 7 | 7 (6, 9) | 2003 to 2011 | 18 (5, 36) |
Organisational changes | 4 | 7.5 (6, 9) | 1998 to 2011 | 7 (6, 23) |
Broad based reviews | 8 | 6 (5, 9) | 2001 to 2011 | 41 (9, 58) |