Table 4

Z-Score sensitivity and specificity based on computer-aided joint space analysis dependent on onset of erosions

Z-Score

Sensitivity (%)

Specificity (%)


Metacarpal-phalangeal joint

Thumb

73.2

51.7

Index finger

87.9

55.2

Middle finger

75.8

55.2

Ring finger

70.1

51.7

Little finger

77.1

51.7

Total

85.4

55.2

Proximal-interphalangeal joint

Index finger

74.5

44.8

Middle finger

70.7

58.6

Ring finger

69.4

58.6

Little finger

63.1

51.7

Total

67.5

51.7

Distal-interphalangeal joint

Index finger

58.6

41.4

Middle finger

53.5

48.3

Ring finger

62.4

41.4

Little finger

51.0

48.3

Total

53.5

37.9


Pfeil et al. Arthritis Research & Therapy 2013 15:R27   doi:10.1186/ar4163

Open Data