TABLE 2

Criterion values and coordinates of the ROC curve

CriterionSensitivity (%)Specificity (%)Positive predictive valueNegative predictive value
≥3.2100.00 (80.3–100.0)0.00 (0.0–3.7)14.5
>11.4100.00 (80.3–100.0)9.00 (4.2–16.4)15.7100
>11.894.12 (71.2–99.0)9.00 (4.2–16.4)15.090.0
>17.394.12 (71.2–99.0)53.00 (42.8–63.1)25.498.1
>17.588.24 (63.5–98.2)55.00 (44.7–65.0)25.096.5
>34.0*88.24 (63.5–98.2)99.00 (94.5–99.8)93.798.0
>34.782.35 (56.6–96.0)99.00 (94.5–99.8)93.397.1
>35.282.35 (56.6–96.0)100.0 (96.3–100.0)100.097.1
>98.40.00 (0.0–19.7)100.0 (96.3–100.0)85.5
  • Data in parentheses are 95% CI.

  • *

    * Cutoff value for positivity.