Table 4 Performance statistics for classification models built from 50 random subsets of 10 healthy and 10 CFS/ME subjects
From: Illness progression in chronic fatigue syndrome: a shifting immune baseline
Classification based on IL-1α, 6 and 8 | Median (MADM Std Err a) | Mean (Std Err) |
|---|---|---|
(a) 50 random subsets: Age < =18 years |  | |
 Correct rate | 0.90 (0.01) | 0.89 (0.06) |
 Sensitivity | 0.90 (0.00) | 0.92 (0.06) |
 Specificity | 0.85 (0.01) | 0.86 (0.08) |
 Positive predictive value | 0.87 (0.01) | 0.87 (0.07) |
 Negative predictive value | 0.90 (0.00) | 0.92 (0.06) |
(b) 50 random subsets: 18 < Age < = 50 years | ||
 Correct rate | 0.75 (0.01) | 0.76 (0.08) |
 Sensitivity | 0.80 (0.02) | 0.78 (0.09) |
 Specificity | 0.70 (0.02) | 0.73 (0.11) |
 Positive predictive value | 0.73 (0.01) | 0.75 (0.10) |
 Negative predictive value | 0.78 (0.01) | 0.77 (0.08) |
(c) 50 random subsets: Age > 50 years b | ||
 Correct rate | 0.80 (0.01) | 0.79 (0.08) |
 Sensitivity | 0.80 (0.02) | 0.75 (0.12) |
 Specificity | 0.80 (0.01) | 0.83 (0.08) |
 Positive predictive value | 0.80 (0.01) | 0.82 (0.08) |
 Negative predictive value | 0.80 (0.02) | 0.77 (0.09) |