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Table 5 Diagnostic method assessment based on ATI measurement criteria concerning detection of scoliosis regarding age. CI stands for a confidence interval

From: The importance of the size of the trunk inclination angle in the early detection of scoliosis in children

  ATI 7° criterion ATI 5° criterion
Sensitivity [%] Specificity [%] PPV [%] NPV [%] Sensitivity [%] Specificity [%] PPV [%] NPV [%]
Overall
Value 39.35 84.61 97.70 7.74 79.17 30.77 95.00 8.16
95% CI 32.79–46.20 54.55—98.07 91.94—99.72 3.93—13.43 73.13–84.38 9.09–61.43 90.72–97.67 2.27–19.60
6 to 9 years old
Value 33.90 80.00 95.24 9.30 67.8 20.00 90.90 5.00
95% CI 22.09–47.39 28.36–99.49 76.18–99.98 2.59–22.14 54.36– 79.38 50.51–71.64 78.33–97.47 0.13–24.87
10 to 12 years old
Value 27.69 100.00 100.00 9.61 69.23 60.00 95.74 13.04
95% CI 17.31–40.19 47.82–100.00 81.47–100.00 3.20–21.03 56.55–80.09 14.66–94.73 85.46–99.48 2.78–33.59
13 to 17 years old
Value 51.29 66.67 97.92 4.26 93.48 0.0 96.63 0.0
95% CI 40.44–61.66 9.43–99.16 88.93–99.95 0.05–14.54 86.34–97.57 0.0–70.76 90.46–99.30 0.0–45.93