| ≥1 cextra PHD | ≥2 extra PHD | IGF-I < -5.3 SDS | IGF-I < -4.0 SDS | IGF-I < -3.0 SDS | IGF-I < -2.0 SDS | IGF-I > -1.6 SDS | IGFBP-3 < -2.0 SDS | Age <4 yr at original Dx | ≥1 PHD + IGF-I < -2.0 SDS | IGF-I < -2.0 SDS + age <4 yr at original Dx |
---|---|---|---|---|---|---|---|---|---|---|---|
Positive Predictive Value (%) | 93 | 100 | 100 | 81 | 73 | 53 | 49 | 100 | 89 | 100 | 100 |
Negative Predictive Value (%) | 83 | 78 | 79 | 82 | 88 | 94 | 100 | 73 | 76 | 83 | 75 |
Specificity (%) | 97 | 100 | 100 | 91 | 82 | 50 | 38 | 100 | 97 | 100 | 100 |
Sensitivity (%) | 65 | 50 | 55 | 65 | 80 | 95 | 100 | 35 | 42 | 65 | 40 |