TABLE 3

Performance of Risk Score for Predicting IVIg Nonresponse Among 430 Patients by Using Multiply Imputed Data

Cutoff at Estimated Probability of NonresponsePercentage at Low Risk, %Sensitivity, %, (95% CI)Specificity, %, (95% CI)Positive Predictive Value, %, (95% CI)Negative Predictive Value, %, (95% CI)
0.054.2100 (95.5–100)5.2 (3.1–8)19.7 (15.9–23.8)100 (81.5–100)
0.1026.390.1 (81.5–95.6)30.1 (25.3–35.2)23 (18.5–28.1)92.9 (86.5–96.9)
0.1547.774.1 (63.1–83.2)52.7 (47.3–58.1)26.7 (21.0–33.0)89.8 (84.8–93.5)
0.2065.163 (51.5–73.4)71.6 (66.6–76.3)34 (26.5–42.2)89.3 (85.1–92.7)
  • CI, confidence interval.