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Table 3 Frequency tables with percentages

From: Role of dynamic ultrasound versus MRI in diagnosis and assessment of shoulder impingement syndrome

 

Biceps teno-synovitis

Joint effusion

Subacromial bursitis

Statistic

Value

95% CI

Value

95% CI

Value

95% CI

Sensitivity

100.00%

79.41% to 100.00%

94.29%

80.84% to 99.30%

93.33%

77.93% to 99.18%

Specificity

100.00%

79.41% to 100.00%

100.00%

89.42% to 100.00%

100.00%

87.66% to 100.00%

Negative likelihood ratio

0.00

 

0.06

0.01 to 0.22

0.07

0.02 to 0.25

Disease prevalence

50.00%

31.89% to 68.11%

51.47%

39.03% to 63.78%

51.72%

38.22% to 65.05%

Positive predictive value

100.00%

 

100.00%

 

100.00%

 

Negative predictive value

100.00%

 

94.29%

81.12% to 98.45%

93.33%

78.59% to 98.16%

Accuracy

100.00%

89.11% to 100.00%

97.06%

89.78% to 99.64%

96.55%

88.09% to 99.58%