TABLE 3.

Quality parameters of microsporidian detection (without species differentiation)

Laboratory	No. of true positives			No. of true negatives (n = 22)	No. of false positives	No. of false negatives			% Sensitivity			% Specificity
	All samples (n = 28)	Patient samplesa only (n = 14)	Spiked samplesb only (n = 14)			All samples	Patient samples only	Spiked samples only	All samples	Patient samples only	Spiked samples only
P1	27	13	14	21	1	1	1	0	96	93	100	95
P2	23	14	9	22	0	5	0	5	82	100	64	100
P3	19	11	8	21	1	9	3	6	68	79	57	95
P4	17	14	3	22	0	11	0	11	61	100	21	100
P5	16	13	3	22	0	12	1	11	57	93	21	100
P6	10	10	0	21	1	18	4	14	36	71	0	95
M1	20	14	6	21	1	8	0	8	71	100	43	95
M2	18	14	4	22	0	10	0	10	64	100	29	100
M3	18	14	4	22	0	10	0	10	64	100	29	100
M4	14	10	4	22	0	14	4	10	50	71	29	100
M5	13	13	0	17	5	15	1	14	46	93	0	77
M6	7	2	5	21	1	21	12	9	25	14	36	95

^aEnterocytozoon bieneusi. 

^bEncephalitozoon spp.