Genetic Variation in Taste Receptor Genes (SCNN1B, TRPV1) and Its Correlation with the Perception of Saltiness in Normotensive and Hypertensive Adults

Table 4

Salt recognition thresholds across gender, age, race, and BMI within normotensive and hypertensive groups.

Variables	Salt recognition thresholds (mol/L)	value
Normotensives
Gender^a		0.361
Male	0.0254 ± 0.020
Female	0.0215 ± 0.020
Age group^ab		0.355
20–50 age	0.0220 ± 0.019
51 and older age	0.0284 ± 0.036
Race^c		0.636
Non-hispanic white	0.0230 ± 0.019
Black/African American	0.0222 ± 0.024
Asian	0.0242 ± 0.022
Hispanic/Latino	0.0073 ± 0.007
BMI^c		0.798
Underweight	0.0209 ± 0.011
Normal	0.0237 ± 0.022
Overweight	0.0190 ± 0.019
Obese	0.0235 ± 0.020
Hypertensives
Gender^a		0.599
Male	0.0324 ± 0.023
Female	0.0357 ± 0.034
Age group^ab		0.816
20–50 age	0.0355 ± 0.43
51 and older age	0.0341 ± 0.21
Race^c		0.338
Non-hispanic white	0.0279 ± 0.023
Black/African American	0.0374 ± 0.033
Asian	0.0160 ± 0.014
Hispanic/Latino	0.0160 ± 0.000
BMI^c		0.289
Underweight	0.0240 ± 0.011
Normal	0.0244 ± 0.014
Overweight	0.0308 ± 0.020
Obese	0.0386 ± 0.037

Data are presented as mean ± standard deviation. ^aStatistical differences were independent samples t-test. ^bAge categories by a significant effect on salt taste sensitivity at 50 years or older [12]. ^cStatistical differences were determined using one-way ANOVA.