Table 9 Demographic data

Age, mean ± SD or mean (range)

Goyal, 2017

64.0 ± 12.0

66.5 ± 12.9

0.017

Kozin, 2016

64 ± 10.1

67.2 ± 10

0.1876

Forner, 2016

65

63

NS

Jing, 2014

64.8 (50–84)

67.4 (44–89)

ND

Granzow, 2013

58.75 (44–77)

55.61 (34–83)

0.39

Deganello, 2013

58.2 ± 6.32

69.6 ± 6.8

< 0.01

Fang, 2013

58.0 (25–78)

72.4 (55–80)

< 0.001

57.2 (46–72)

< 0.001

Paydarfar, 2011

54.7 (38–75)

58.1 (34–82)

0.24

Hsing, 2011

54.1 ± 9.6

54.5 ± 12.5

0.839

Demirtas, 2010

60 (38–73)

65.3 (49–82)

ND

58.5 (17.3%)

ND

Mallet, 2009

52.7 ± 9.3

56.8 ± 8.7

0.07

Chien, 2005

53.5 (40–77)

50.1(38–66)

ND

Chepeha, 2004

58

58

NS

Petruzzelli, 2002

58.2 (9.8)

64 (12.8)

ND

Amarante, 2000

15–81

37–71

ND

Kroll, 1997

56 ± 13

62 ± 12

0.0046

Age (median)

Sinha, 2017

65.9 (57.7–74.2)

67.9 (60.3–76.8)

0.037

Howard, 2016

68.3

76.9

0.172 ^a

73.3

Tsue, 1997

63 (62 ± 2)

64 ^a (64 ± 2)

ND

Age > 50 years

Li, 2016

9(27.50%)

3(17.65%)

0.304

Gieger, 2016

82%

85.4%

0.661

Zhang S, 2015

12 (80%)^a

10 (83.33%)^a

1.00

Zhang X, 2014

19 (76%)

6 (24%)

0.597

Male n (%)

Sinha, 2017

63.0%

71,40%

0.0794

Kozin, 2016

78.6%

68.9%

0.43

Li, 2016

17(70.83%)

17(100%)

0.043

Gieger, 2016

68.0%

76.4%

0.338

Howard, 2016

7 (77.8)

15 (93.8)

0.240

7 (77.8)

6 (100)

Forner, 2016

75%

43%

NS

Zhang S, 2015

10 (66.7%)^a

9 (75%)^a

0.69

Zhang X, 2014

66 (88%)

31 (32.0%)

0.018

Jing, 2014

19 (86.4%)^a

26 (96.3%)^a

ND

Granzow, 2013

11 (69%)

13 (72%)

1.0

Deganello, 2013

12 (75)

16 (80)

0.88

Fang, 2013

9 (45%)

11 (45.83%)

ND

8 (66.67%)

ND

Paydarfar, 2011

22 (66.7%)^a

20 (90.1%)^a

0.38

Hsing, 2011

39 (40.2%)

58 (59.8%)

0.745

Demirtas, 2010

7 (58.33)

8 (100%)

ND

7 (100%)

ND

Mallet, 2009

19 (76%)

38 (84.4%)

0.58

Chien, 2005

11(100%)

14 (87.5%)

ND

Chepeha, 2004

54 (76%)

84 (78%)

NS

Amarante, 2000

36 (73.47%)

49 (72.06%)

ND

Tsue, 1997

16 (67%)

8 (27.6%)

ND