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Table 2 Sensitivity, specificity, and predictive values (%) of orthopedic examination findings for the detection of DJD in 100 cats.

From: Relationship of orthopedic examination, goniometric measurements, and radiographic signs of degenerative joint disease in cats

Joints

Pain

Crepitus

Effusion

Thickening

 

SENS

SPEC

PPV

NPV

Se

Sp

PPV

NPV

Se

Sp

PPV

NPV

Se

Sp

PPV

NPV

R Elbow

67

73

56

81

56

88

69

80

38

89

63

74

59

77

56

79

R Shoulder

22

90

20

91

10

99

50

90

NA

NA

NA

NA

0

98

0

89

R Carpus

0

96

0

84

6

96

25

84

6

100

100

84

20

99

75

87

R Hip

40

73

76

37

4

94

60

31

NA

NA

NA

NA

NA

NA

NA

NA

R Stifle

22

81

58

48

9

89

50

46

15

89

62

48

16

87

57

48

R Tarsus

22

86

56

58

18

94

73

58

24

96

85

60

20

98

90

60

L Elbow

56

78

60

75

38

91

72

72

21

84

44

64

47

74

52

70

L Shoulder

29

87

31

86

7

96

25

84

NA

NA

NA

NA

7

97

33

85

L Carpus

0

93

0

86

0

99

0

86

15

99

67

88

15

96

40

87

L Hip

33

62

56

39

10

97

86

41

NA

NA

NA

NA

NA

NA

NA

NA

L Stifle

19

75

40

51

15

86

50

53

7

82

25

49

15

82

44

52

L Tarsus

24

88

53

66

18

97

78

65

24

98

90

67

18

98

88

65

Cervical

12

99

67

82

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

Thoracic

14

95

63

6

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

Lumbar

43

79

42

81

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

L-S

50

82

50

82

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

  1. NA = Not Assessed