Table 3.

ROC analysis of serum YKL-40 in different types of dementia.

	AUC	95% CI	P	Cut-off	Sensitivity%	95% CI	Specificity%	95% CI
t-tau
C vs. AD 0	0.845	0.7188–0.9712	0.0002	>338.4	75	53.13–88.81%	70	48.10–85.45%
C vs. VaD 0	0.7175	0.5561–0.8789	0.0186	>318.3	60	38.66–78.12%	55	34.21–74.18%
C vs. MxD 0	0.8825	0.7825–0.9825	<0.0001	>341.4	75	53.13–88.81%	70	48.10–85.45%
AD 0 vs. VaD 0	0.675	0.5060–0.8440	0.0583	<380.4	65	43.29–81.88%	65	43.29–81.88%
AD 0 vs. MxD 0	0.5975	0.4131–0.7819	0.2914	<394.4	55	34.21–74.18%	55	34.21–74.18%
VaD 0 vs. MxD 0	0.645	0.4675–0.8225	0.1167	>375.1	60	38.66–78.12%	60	38.66–78.12%
YKL-40
C vs. AD 0	0.8625	0.7510–0.9740	<0.0001	>106.3	85	63.96–94.76%	75	53.13–88.81%
C vs. VaD 0	0.8525	0.7352–0.9698	0.0001	>113.0	80	58.40–91.93%	80	58.40–91.93%
C vs. MxD 0	0.7975	0.6621–0.9329	0.0013	>103.9	70	48.10–85.45%	70	48.10–85.45%
AD 0 vs. VaD 0	0.5750	0.3926–0.7574	0.4171	>139.8	55	34.21–74.18%	50	29.93–70.07%
AD 0 vs. MxD 0	0.5775	0.3984–0.7566	0.4017	<130.7	50	29.93–70.07%	50	29.93–70.07%
VaD 0 vs. MxD 0	0.6200	0.4436–0.7964	0.1941	<137.9	55	34.21–74.18%	55	34.21–74.18%