Table 3.

Gustatory thresholds

	SD	AD	Control	Kruskal-Wallis H	Post hoc analyses
Detection thresholds
Total	7.8±2.4	7.2±2.5	5.5±1.6	11.8**	SD, AD > Control
Sweet	2.1±0.8	2.1±1.3	1.4±0.7	8.2*	SD > Control
Salty	1.8±0.7	1.4±0.9	1.1±0.3	12.2**	SD > Control
Sour	1.9±0.8	1.6±0.8	1.4±0.6	NS	NA
Bitter	2.0±1.1	2.1±0.6	1.6±0.8	NS	NA
Recognition thresholds
Total	14.4±4.5	13.8±3.7	9.9±2.8	16.0***	SD, AD > Control
Sweet	3.0±1.6	2.9±1.2	2.3±0.8	NS	NA
Salty	4.2±2.2	3.3±1.9	2.1±1.0	12.8**	SD, AD > Control
Sour	4.1±1.9	4.3±1.8	2.9±1.0	8.5*	SD, AD > Control
Bitter	3.2±1.0	3.4±1.5	2.5±0.9	(5.881)†	(SD p = 0.037)

Mean ± standard deviation.

^***p < 0.001

^**p < 0.01

^*p < 0.05

^†p = 0.053 (tendency of difference). SD, semantic dementia; AD, Alzheimer disease.