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