Table 1.

“Confusion matrix” analysis of lymphocyte death rate after 48 h in culture medium.

Method	Clinical Group	Actual Count	Test Class			% Error	Statistics
			ME/CFS		Control
Linear discriminant analysis	ME/CFS	57	52	5		8.8	χ2	25.5
	Control	33	13	20		39.4	p	4.5 × 10−7
	TOTAL	90	65	25		20.0	Fisher p = 2.2 × 10−7
Logistic regression	ME/CFS	57	52	5		8.8	χ2	25.5
	Control	33	13	20		39.4	p	4.5 × 10−7
	TOTAL	90	65	25		20.0	Fisher p = 2.2 × 10−7