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Table 2 Gender, age, occupation and body mass index normative data for FJS-12 knee

From: Normative FJS-12 scores for the knee in an Asian population: a cross-sectional study

 

Mean

SD

10th

25th

50th

75th

90th

Total sample (172)

62.8

25.6

27.1

41.7

63.5

85.4

95.8

Gender p = 0.157

Female (89)

60.1

25.8

25.0

40.6

62.5

84.4

93.7

Male (83)

65.7

25.2

28.7

43.7

68.7

89.6

95.8

Age (years)p = 0.706

14–20 (17)

68.2

25.6

32.1

44.8

70.8

92.7

100.0

21–25 (83)

64.4

24.3

32.1

43.7

64.6

85.4

95.8

26–30 (27)

58.7

28.7

18.7

33.3

62.5

87.5

95.0

31–45 (29)

60.5

24.0

27.1

39.6

62.5

81.2

95.8

46–70 (16)

60.1

30.5

14.2

27.1

69.8

82.8

95.6

Female/age (years) p = 0.895

14–20 (6)

62.1

28.7

27.1

41.1

53.1

95.3

100.0

21–25 (40)

62.9

24.4

31.4

41.7

63.5

85.4

93.5

26–30 (13)

59.1

24.1

15.0

47.9

62.5

76.0

91.2

31–45 (18)

57.1

25.1

22.9

34.9

54.2

74.5

98.1

46–70 (12)

55.8

34.3

10.8

18.7

59.4

89.6

98.1

Male/age (years) p = 0.713

14–20 (11)

71.6

24.6

33.7

43.7

83.3

91.7

99.2

21–25 (43)

65.7

24.4

29.6

43.7

66.7

89.6

95.8

26–30 (14)

58.3

33.3

15.6

28.6

55.2

92.2

100.0

31–45 (11)

66.1

22.2

29.6

52.1

62.5

83.3

95.8

46–70 (4)

73.4

5.5

68.7

69.3

71.9

79.2

81.3

Occupation p = 0.293

Students (94)

65.4

24.4

33.3

43.2

67.7

88.0

95.8

Desk-bound occupation (46)

60.6

25.9

22.2

41.7

60.4

81.8

96.4

Semi-active occupation (23)

63.8

25.6

24.5

45.8

64.6

85.4

97.5

BMI (kg/m2) p = 0.204

BMI < 18.5 (17)

57.7

15.8

37.1

44.8

56.2

67.7

79.6

BMI 18.51–22.9 (98)

66.3

24.3

30.8

45.8

70.8

87.5

95.8

BMI 22.91–27.4 (47)

59.4

29.4

22.5

33.3

56.2

91.7

95.8

BMI 27.41–36.3 (10)

53.5

30.0

11.4

22.4

53.1

87.0

93.5

Female/BMI (kg/m2) p = 0.004

 < 18.5 (14)

56.1

16.4

36.4

41.1

55.2

63.5

84.4

18.51–22.9 (59)

66.1

24.3

27.1

45.8

66.7

85.4

93.7

22.91–27.4 (14)

39.3

27.7

6.2

22.9

33.3

44.8

96.9

27.41–36.3 (2)

58.3

50.1

22.9

22.9

58.3

93.8

Male/BMI (kg/m2) p = 0.471

< 18.5 (3)

65.3

11.8

52.1

52.1

68.7

75.0

18.51–22.9 (39)

66.5

24.6

31.2

41.7

70.8

89.6

97.9

22.91–27.4 (33)

68.0

26.0

29.6

44.8

77.1

94.8

95.8

27.41–36.3 (8)

52.3

28.1

10.4

26.6

53.1

79.1

91.7

  1. BMI body mass index. Number of participants shown in brackets for each subgroup. FJS-12: Forgotten Joint Score-12. Variables analysed with either t-test or one-way ANOVA, and p values represented