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Table 6 Regression models for discriminant coefficients as a function of duration of illness

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

Regression Model   Intercept β0 β1 (years ill) β2 (years ill 2) R2 F p
IL-1a coefficient α1 3.42 (2.80, 4.04) −0.75 (−0.97, −0.52) 0.04 (0.02, 0.06) 0.347 38.980 0.000
IL-6 coefficient α2 −4.11 (−4.80, −3.43) 1.31 (1.06, 1.56) −0.07 (−0.09, −0.05) 0.573 98.510 0.000
IL-8 coefficient α3 5.84 (4.95, 6.73) −1.71 (−2.04, −1.38) 0.09 (0.07, 0.12) 0.573 98.504 0.000
Constant term α0 −2.56 (−3.00, −2.12) 0.45 (0.29, 0.62) −0.02 (−0.04, −0.01) 0.310 32.986 0.000
  1. () indicates the 95 % confidence interval
  2. R2 is Pearson correlation coefficient and p is the null probability of the F statistic