Table 2.

“Confusion matrix” analysis of lymphoblast respiratory function and mitochondrial membrane potential (ΔΨ_m).

Method	Clinical Group	Actual Count	Test Class		% Error	Statistics
			ME/CFS	Control
Respiratory function + ΔΨm
Linear discriminant analysis	ME/CFS	49	46	3	6.1	χ2	27.9
	Control	20	6	14	30.0	p	1.3 × 10−7
	TOTAL	69	52	17	13.0	Fisher p = 1.2 × 10−7
Logistic regression	ME/CFS	49	46	3	6.1	χ2	24.4
	Control	20	7	13	35.0	p	7.7 × 10−7
	TOTAL	69	54	15	14.5	Fisher p = 7.7 × 10−7
Respiratory function only
Linear discriminant analysis	ME/CFS	49	46	3	6.1	χ2	12.4
	Control	20	11	9	55.0	p	4.4 × 10−4
	TOTAL	69	57	12	20.2	Fisher p = 3.8 × 10−4
Logistic regression	ME/CFS	49	46	3	6.1	χ2	15.1
	Control	20	10	10	50.0	p	1.0 × 10−4
	TOTAL	69	53	16	18.8	Fisher p = 9.3 × 10−5