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Table 4 Validity of sound transmission with extension/flexion, Celaya, 2014 (n = 200)

From: Validity and reliability of electroacoustic probe for diagnosis of developmental dysplasia of the hip

 

Ultrasonograhy

  

+

-

Sensitivity

% (95%CI)

Specificity % (95%CI)

Predictive value +

% (95%CI)

Predictive value –

% (95%CI)

First measure

ST E/F

  

82.76 (67.29–98.23)

99.42 (97.98–100.0)

96.00 (86.32–100.0)

97.14 (94.39–99.90)

+

-

24

5

1

170

Second measure

ST

E/F

  

82.76 (67.29–98.23)

100.0 (99.71–100.0)

100.0 (97.92–100.00)

97.16 (94.42–99.90)

+

-

24

5

0

171

Third measure

ST E/F

  

86.21 (71.93–100.0)

100.0 (999.71–100.0)

100.0 (98.00–100.0)

97.71 (95.21–100.0)

+

-

25

4

0

171

  1. STE/F Sound transmission with extension/flexion
  2. 95%CI 95% confidence intervals
  3. Source: Measurements in the study with electroacoustic probe and ultrasonography of the hips