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Table 4 Radiological abnormality in 50 patients with wrist pain by USG method

From: Role of ultrasound versus magnetic resonance imaging in evaluation of non-osseous disorders causing wrist pain

 

No

Methods

No

Sensitivity %

Specificity %

PPV %

NPV %

Accuracy %

Tendinopathy

20

MRI

19

95

100

100

95.2

97.5

USG

19

95

100

100

95.2

97.5

TFCC tear

8

MRI

6

75

100

100

80

87.5

USG

0

0

100

100

50

50

Simple ganglion

8

MRI

8

100

100

100

100

100

USG

6

75

100

100

80

87.5

Solid mass

3

MRI

3

100

100

100

100

100

USG

3

100

100

100

100

100

Foreign body

2

MRI

1

50

100

100

66.7

75.0

USG

2

100

100

100

100

100

CTS

9

MRI

7

77.8

100

100

81.8

88.9

USG

8

88.9

100

100

90.0

94.4

  1. PPV positive predictive value, NPV negative predictive value, CTS carpal tunnel syndrome