Table 2 Demographic data of LKOAC in baseline

Age

62(56 ~ 70)

63(57 ~ 70)

0.2/0.83

61(55 ~ 70)

62(54 ~ 70)

0.2/0.87

BMI

29.3(26.4 ~ 32.7)

30.3(27.2 ~ 33.9)

1.8/0.07

29.3(26.4 ~ 32.7)

28.9(26.4 ~ 32.2)

0.4/0.65

LWOMAC

5(0 ~ 19.8)

10(1 ~ 28)

2.1/<0.05

5(0 ~ 23.5)

9(1 ~ 24)

1.1/0.26

LJSW

4(3.2 ~ 4.7)

3.9(2.9 ~ 4.8)

0.8 < 0.05

3.9(3.1 ~ 4.7)

3.9(2.9 ~ 4.9)

0.3/0.76

SF-12

41(39 ~ 43)

41(39 ~ 43)

1.1/0.27

41(39 ~ 43)

41(39 ~ 42)

1.1/0.27

Sex

1.4/0.15

0.3/0.79

male

48(37.8%)

194(45%)

46(39.3%)

44(37.6%)

female

79(62.2%)

237(55%)

71(60.7%)

73(62.4%)

Race

3.0/<0.05

0.4/0.68

others

0

6(1.4%)

0

1(0.9%)

white

112(88.2%)

314(72.8%)

102(87.2%)

98(83.7%)

black

15(11.8%)

109(25.3%)

15(12.8%)

17(14.5%)

yellow

0

2(0.5%)

0

1(0.9%)

CCI

0.7/0.49

1.1/0.27

0

94(74%)

305(70.8%)

87(74.3%)

79(67.5%)

1

22(17.3%)

84(19.5%)

20(17.1%)

26(22.2%)

2

8(6.3%)

34(7.9%)

8(6.8%)

10(8.5%)

3

1(0.8%)

5(1.2%)

1(0.9%)

1(0.9%)

> 3

2(1.6%)

3(0.7%)

1(0.9%)

1(0.9%)

Income(5 W)

0.3/0.76

0.7/0.51

Y

73(57.5%)

241(55.9%)

69(59%)

64(54.7%)

N

54(42.5%)

190(44.1%)

48(41%)

53(45.3%)

L-KLG

2.0/<0.05

0.4/0.69

2

85(66.9%)

245(56.8%)

75(64.1%)

73(62.4%)

3

35(27.6%)

154(35.7%)

35(29.9%)

34(29.1%)

4

7(5.5%)

32(7.4%)

7(6%)

10(8.5%)

Medicine

2.2/<0.05

0.5/0.6

Y

52(40.9%)

225(52.2%)

51(43.6%)

47(40.2%)

N

75(59.1%)

206(47.8%)

66(56.4%)

70(59.8%)