Clinical Study

Association between Taste Sensitivity and Self-Reported and Objective Measures of Salt Intake among Hypertensive and Normotensive Individuals

Table 2

Salt intake and taste threshold.

TotalNormotensive subjectsHypertensive subjects value
Mean
(SD)*
Median
(IQR)
Mean (SD)Median (IQR)Mean (SD)Median (IQR)

Detection threshold
(mol/L)
0.011 (0.016)0.008 (0.008)0.008 (0.009)0.004 (0.004)0.015 (0.002)0.008 (0.009)0.001
Recognition threshold
(mol/L)
0.020 (0.031)0.008 (0.012)0.013 (0.017)0.008 (0.008)0.027 (0.016)0.016 (0.240)<0.001
Self-report methods
 FFQ (g salt/day)1.8 (1.8)1.3 (1.6)2.2 (1.9)1.6 (2.1)1.5 (1.6)0.9 (1.4)0.010
 Discretionary salt (g salt/day)6.3 (5.4)5.4 (5.4)4.3 (2.8)4.0 (4.8)8.2 (6.4)6.3 (5.9)<0.001
 24 h recall (g salt/day)2.9 (1.6)2.7 (2.2)3.4 (1.7)3.1 (3.6)2.4 (1.4)2.1 (1.7)0.002
 Total intake (g salt/day)**10.8 (5.0)9.7 (4.7)9.6 (3.1)9.5 (3.9)12.1 (6.2)10.5 (4.9)0.046
24-hour urinary sodium excretion§
 mEq/24 h177.1 (65.8)170.5 (71.5)188.5 (73.6)175.1 (73.4)165.7 (55.4)169.0 (63.0)0.175
 Converted to g salt/day10.3 (3.8)9.9 (4.2)9.8 (4.5)9.8 (3.6)10.9 (4.3)10.1 (4.3)0.175

*SD: standard deviation; IQR: interquartile range; Mann-Whitney test; §Missing: 3 normotensive and 3 hypertensive subjects; FFQ: food frequency questionnaire. **Total intake: sum of FFQ, discretionary salt, and 24-h recall.