Table 1 Comparison of the demographic values in subjects grouped by severity of knee osteoarthritis identified by radiography

68.3 ± 9.8

65.8 ± 9.8

71.5 ± 7.4^a

75.4 ± 9.3^a

23.2 ± 3.0

22.6 ± 2.7

23.6 ± 2.7

26.3 ± 3.7^ab

4.7 ± 1.1

4.0 ± 0

5.5 ± 0.5^a

7.3 ± 0.5^ab

99.2 ± 89.7

73.9 ± 65.8

139.3 ± 94.8^a

155.3 ± 139.8^a

83.6 ± 20.3

91.3 ± 12.2

73.1 ± 24.3^a

62.8 ± 23.7^a

84.5 ± 19.0

91.3 ± 13.3

75.9 ± 20.4^a

64.3 ± 23.5^a

88.8 ± 16.6

94.7 ± 10.0

80.4 ± 19.9^a

74.0 ± 22.2^a

72.8 ± 30.1

85.1 ± 21.1

55.8 ± 29.3^a

40.0 ± 36.1^a

70.3 ± 27.1

82.4 ± 17.1

49.6 ± 28.3^a

47.1 ± 29.6^a