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Table 5 Distribution statistics for coefficients in linear discriminant model based on 50 random subsets of 10 healthy and 10 CFS/ME subjects in each age group

From: Illness progression in chronic fatigue syndrome: a shifting immune baseline

(a) Median (MADM-based Std Err a)   Age < =18 years 18 < Age < = 50 years Age > 50 years
 Discriminant coefficients (n = 50)
  IL-1α α1 1.93 (0.11) 0.51 (0.06) 0.14 (0.10)
  IL-6 α2 −2.08 (0.17) 0.91 (0.12) 1.28 (0.07)
  IL-8 α3 2.89 (0.18) −0.60 (0.06) −1.36 (0.12)
 Constant term α0 −1.86 (0.09) −0.39 (0.05) −0.49 (0.05)
 Duration of illness (years)   2.00 (0.00) 6.50 (1.74) 8.50 (1.26)
(b) Mean (Std Err)
 Discriminant coefficients (n = 50)
  IL-1α α1 2.41 (0.23) 0.53 (0.10) 0.14 (0.13)
  IL-6 α2 −2.36 (0.19) 1.09 (0.13) 1.51 (0.13)
  IL-8 α3 3.53 (0.27) −0.92 (0.14) −1.52 (0.19)
 Constant term α0 −2.07 (0.15) −0.48 (0.06) −0.61 (0.09)
 Duration of illness (years)   2.00 (0.00) 7.09 (1.28) 10.64 (1.46)
  1. aMADM Std Err = 1.4826 × MADM/√n