Table 1 Characteristics and findings of included studies

HbA1 _c

Anjali 2007 [19]

78

Yes

-

9.45 (±1.86)

DBS = 0.95 V + 1.4

Buxton 2009 [20]

115

-

Hospital

-

DBS = 0.85 V + 0.81

Egier 2011 [9]

85

-

-

-

DBS = 0.933 V + 0.4

Fokkema 2009 [21]*

93

-

Community

-

DBS = 1.006 V - 0.092

Fokkema 2009 [21]*

88

-

Community

-

DBS = 0.994 V + 0.057

Fokkema. 2009 [21]*

73

-

Community

-

DBS = 0.987 V - 0.011

Gay 1990 [22]

58

Yes

Community

10.8 (±2)

DBS = 0.8 V + 1.8

Jeppsson 1996 [23]

41

-

-

7.49

DBS = 0.99 V + 0.16

Jones 2010 [10]*

73

-

-

6.74

DBS = 0.984 V + 0.189

Jones 2010 [10]*

40

-

-

8

DBS = 0.998 V - 0.204

Lacher et al. 2013 [24]

386

-

Community

5.92 (±1.2)

DBS = 0.94 V + 0.37

Lakshmy 2009 [25]

30

-

Community

5.94 (±1.58)

DBS = 0.9886 V + 0.0018

Little 1986 [26]

78

Yes/No

-

10.2

DBS = 1.09 V + 2.17

Lomeo 2008 [27]

97

-

-

-

DBS = 0.877 V + 1.09

Tabatabaei-Malazy 2011 [28]*

33

Yes

Community

8.8 (±1.6)

DBS = 1.20 V - 0.635

Tabatabaei-Malazy 2011 [28]*

33

Yes

-

8.9 (±1.7)

DBS = 1.25 V - 1.09

Wikblad 1998 [29]

145

Yes

-

-

DBS = 1.03 V - 0.405

Triglycerides

Lakshmy 2010 [30]*

85

-

Community

1.6 (±0.6)

DBS = 1.028 V - 0.1690

Lakshmy 2012 [31]*

613

-

Community

1.16 to 1.87 (±0.45 to 0.79)

DBS = 0.9549 V + 0.1875

Quraishi 2006 [32]

75

-

Community

1.297 (±0.53)

DBS = 0.88 V + 0.13

Total Cholesterol

-

Lacher 2013 [24]

395

-

Community

3.76 (±0.87)

DBS = 0.52 V + 1.08

Lakshmy 2010 [30]*

85

-

Community

5 (±1)

DBS = 0.727 V + 1.170

Lakshmy 2012 [31]*

613

-

Community

-

DBS = 0.7779 V + 1.1943

HDL

Lacher 2013 [24]

395

Community

1.41 (±0.42)

DBS = 0.7 V + 0.46