Table 2. Quality assessment scores for the selected studies based on the quality of genetic association studies (Q-Genie)

Kučević et al. 2017 [19]

5

5

2

NA

NA

2

2

5

5

2

5

33

Sidlauskas et al. 2016 [20]

6

6

5

NA

NA

4

2

6

7

6

6

48

Švalkauskienė et al. 2015 [10]

6

6

5

NA

NA

3

2

6

6

6

6

46

Kawala et al. 2007 [13]

3

3

4

NA

NA

3

2

3

4

5

5

32

Eguchi et al. 2004 [7]

6

6

4

NA

NA

4

2

5

6

6

6

45

Richards et al. 1990 [21]

6

6

4

NA

NA

4

2

6

6

3

5

42

Boraas et al. 1988 [22]

6

6

5

NA

NA

5

2

7

6

6

6

49

Sharma et al. 1986 [23]

6

7

4

NA

NA

3

2

6

6

6

5

45

Potter et al. 1981 [24]

5

6

4

NA

NA

3

2

6

6

6

5

43

Corruccini et al. 1980 [17]

6

6

4

NA

NA

4

2

6

6

6

5

45