Table 2 Comparison of the VAS score, ODI, and SF-36 score between the obese group and the normal group

VAS score, back

3.1 ± 1.2

3.4 ± 1.1

0.446

2.0 ± 0.6

1.9 ± 0.7

0.591

1.5 ± 0.6

1.4 ± 0.6

0.404

1.2 ± 0.6

1.1 ± 0.7

0.632

1.1 ± 0.6

0.8 ± 0.6

0.097

0.7 ± 0.6

0.6 ± 0.6

0.575

VAS score, leg

6.5 ± 0.9

6.7 ± 1.0

0.514

1.8 ± 0.6

1.9 ± 0.8

0.764

1.8 ± 0.8

1.4 ± 0.6

0.049

1.4 ± 0.7

1.1 ± 0.7

0.117

1.1 ± 0.8

0.7 ± 0.5

0.047

0.5 ± 0.5

0.4 ± 0.5

0.377

ODI

58.2 ± 12.2

61.1 ± 12.7

0.423

18.0 ± 4.0

16.5 ± 4.4

0.220

13.4 ± 3.2

12.1 ± 3.3

0.174

10.0 ± 2.6

8.9 ± 2.2

0.122

6.4 ± 2.5

5.7 ± 2.1

0.321

SF-36 score

PF

44.7 ± 8.2

46.3 ± 8.8

0.174

56.8 ± 7.7

62.5 ± 9.2

0.027

68.5 ± 7.8

72.0 ± 7.5

0.127

72.4 ± 8.6

78.6 ± 7.1

0.087

74.2 ± 9.0

79.8 ± 7.5

0.025

RP

29.1 ± 22.7

32.1 ± 14.7

0.018

48.8 ± 20.6

57.1 ± 22.4

0.193

60.0 ± 18.8

71.4 ± 18.9

0.044

68.4 ± 16.3

78.6 ± 17.6

0.098

71.1 ± 17.2

79.5 ± 16.7

0.102

BP

36.6 ± 15.4

32.1 ± 14.7

0.034

49.8 ± 10.6

65.3 ± 14.7

<0.001

53.2 ± 10.1

69.5 ± 12.6

<0.001

70.2 ± 6.5

80.9 ± 6.6

0.400

69.6 ± 8.6

81.8 ± 7.0

<0.001

GH

58.4 ± 10.9

61.1 ± 15.3

0.200

60.9 ± 8.1

63.7 ± 10.0

0.303

62.9 ± 6.4

67.0 ± 8.1

0.069

65.7 ± 8.1

71.0 ± 7.7

0.659

67.5 ± 10.7

71.4 ± 11.4

0.244

VT

58.6 ± 11.4

61.7 ± 15.3

0.106

56.8 ± 9.4

65.5 ± 8.6

0.002

60.8 ± 9.2

71.4 ± 11.5

0.001

69.5 ± 5.7

78.9 ± 10.6

0.445

70.3 ± 7.5

80.6 ± 8.8

<0.001

SF

61.0 ± 14.6

56.4 ± 16.2

0.032

64.0 ± 13.4

73.8 ± 16.1

0.031

69.0 ± 11.7

80.5 ± 17.8

0.009

79.3 ± 11.0

84.5 ± 13.8

0.426

80.2 ± 18.7

83.9 ± 13.4

0.436

RE

51.2 ± 25.7

59.9 ± 24.0

0.013

75.2 ± 21.3

82.3 ± 19.1

0.230

76.8 ± 21.9

80.0 ± 16.4

0.570

79.3 ± 19.3

83.6 ± 18.8

0.769

80.8 ± 23.1

84.6 ± 21.2

0.562

MH

66.9 ± 12.6

67.6 ± 18.2

0.736

65.1 ± 10.1

73.6 ± 10.5

0.008

69.1 ± 8.2

77.7 ± 5.2

<0.001

71.8 ± 6.8

80.3 ± 7.4

0.166

74.1 ± 5.8

80.1 ± 5.9

0.001