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Table 1 Description of included reviews by intervention category

From: Improving quality of care for persons with diabetes: an overview of systematic reviews - what does the evidence tell us?

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)