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Table 3: Diagnostic efficacy of middle ear mastoid localization in CT-DWI fusion and T2WI-DWI fusion images
Sensitivity Specificity AUC AUC 95% CI P Value
Attic .32
 CT-DWI 0.98 0.75 0.87 0.76–0.94 
 T2WI-DWI 1.00 0.75 0.88 0.77–0.95 
Tympanic cavity .30
 CT-DWI 0.84 0.86 0.85 0.74–0.93 
 T2WI-DWI 0.84 0.72 0.78 0.66–0.88 
Mastoid antrum .70
 CT-DWI 0.76 0.87 0.82 0.70–0.90 
 T2WI-DWI 0.79 0.87 0.83 0.71–0.91 
Mastoid cavity .16
 CT-DWI 0.75 0.85 0.80 0.68–0.89 
 T2WI-DWI 0.82 0.82 0.85 0.74–0.93 
Note:—AUC indicates area under the curve.

	Sensitivity	Specificity	AUC	AUC 95% CI	P Value
Attic					.32
CT-DWI	0.98	0.75	0.87	0.76–0.94
T2WI-DWI	1.00	0.75	0.88	0.77–0.95
Tympanic cavity					.30
CT-DWI	0.84	0.86	0.85	0.74–0.93
T2WI-DWI	0.84	0.72	0.78	0.66–0.88
Mastoid antrum					.70
CT-DWI	0.76	0.87	0.82	0.70–0.90
T2WI-DWI	0.79	0.87	0.83	0.71–0.91
Mastoid cavity					.16
CT-DWI	0.75	0.85	0.80	0.68–0.89
T2WI-DWI	0.82	0.82	0.85	0.74–0.93