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Table 3 Validity of comparative test sound transmission, Celaya, 2014(n = 200)

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

  Ultrasonography   
+ - Sensitivity % (5%CI) Specificity % (95%CI) Predictive value + % (95%CI) Predictive value – % (95%CI)
First measure CT    44.83 (25.00–64.65) 97.66 (95.10–100.00) 76.47 (53.37–99.58) 91.26 (86.89–95.62)
ST
+
-
13
16
4
167
Second measure CT    37.93 (18.55–57.31) 98.83 (96.93–100.00) 84.62 (61.16–100.00) 90.37 (85.88–94.87)
ST
+
-
11
18
2
169
Third measure CT    37.93 (18.55–57.31) 97.66 (95.10–100.00) 73.33 (47.62–99.05) 90.27 (85.73–94.81)
ST
+
-
11
18
4
167
  1. CTST Comparative test sound transmission 95%CI = 95% confidence intervals
  2. Source: Measurements in the study with electroacoustic probe and ultrasonography of the hips