Table 4.

Significance levels for sensitivity and specificity comparisons of selected tests for all 107 isolates^a

Comparison test	P value for comparison of Se and Sp for indicated tests
	Vitek2 (N052 + EXN5)	DDS30 MH (CTX + FEP + ATM)	DDS20 MH (FEP)	DDS30 with cloxacillin (CTX + FEP)	Etest		Combined disk		Cica-Beta test
					MH	Cloxacillin	MH	Cloxacillin
Vitek2 N052 + EXN5	—	0.002	<0.001	0.26	0.01	<0.001	<0.001	<0.001	1.0
DDS30 (CTX +FEP + ATM)	<0.001	—	0.50	0.10	0.45	0.50	1.0	0.50	0.007
DDS20 MH (FEP)	<0.001	1.0	—	0.008	0.06	1.0	0.50	1.0	<0.001
DDS30 with cloxacillin (CTX+FEP)	0.003	0.04	0.22	—	0.58	0.008	0.11	0.008	0.33
Etest MH (FEP)	0.001	0.06	0.06	0.77	—	0.06	0.37	0.06	0.08
Etest with cloxacillin (CTX+FEP)	0.11	0.001	<0.001	0.11	0.06	—	0.50	1.0	<0.001
Combined disk MH (CTX+FEP)	0.008	0.008	0.02	1.0	0.55	0.30	—	0.50	0.003
Combined disk with cloxacillin (CTX+FEP)	<0.001	0.22	0.22	0.25	1.0	0.04	0.34	—	<0.001
Cica-beta test	0.03	0.002	0.002	0.51	0.19	0.58	0.79	0.11	—

^aP values were calculated using using the McNemar test. The upper part of the table (above the dashes) reports the P values for comparisons of sensitivities, and the lower part reports P values for comparisons of specificities for each pair of the nine selected tests.