Table 2 Comparison of clinical characteristics between low and high gustatory threshold for salty taste
From: Factors associated with gustatory threshold for salty taste in peritoneal dialysis patients
Detection threshold | Recognition threshold | |||||
|---|---|---|---|---|---|---|
Normal (≦ 0.6 mg/cm2) n = 7 | High (≧ 0.8 mg/cm2) n = 15 | P value | Normal (≦ 0.8 mg/cm2) n = 5 | High (≧ 1.0 mg/cm2) n = 17 | P value | |
Age (years) | 78 (61–87) | 61 (52–68) | 0.029 | 78 (49–88) | 63 (54–73) | 0.327 |
Male:female | 5:2 | 5:10 | 0.172 | 3:2 | 7:10 | 0.624 |
Duration of PD (months) | 7 (6–24) | 54 (16–66) | 0.041 | 6 (4–21) | 39 (12–65) | 0.046 |
Comorbidity (%) | ||||||
Hypertension | 83.3 | 86.7 | > 0.99 | 75.0 | 88.2 | 0.489 |
Diabetes mellitus | 16.7 | 26.7 | > 0.99 | 50.0 | 17.7 | 0.228 |
Cardiovascular diseases | 33.3 | 13.3 | 0.544 | 50.0 | 11.8 | 0.148 |
Body weight (kg) | 64 (46.1–69.1) | 59 (51.5–63) | 0.647 | 55 (44–69) | 60 (54–64) | 0.611 |
Systolic BP (mmHg) | 133 (121–145) | 133 (123–142) | 0.916 | 133 (118–145) | 132 (122–144) | 0.845 |
Diastolic BP (mmHg) | 70 (62–87) | 71 (57–84) | 0.778 | 65 (56–87) | 71 (58–85) | 0.845 |
Effluent volume (mL/day) | 300 (150–416) | 274 (170–746) | 0.631 | 342 (150–416) | 274 (170–746) | 0.695 |
Urinary volume (mL/day) | 1250 (1000–1500) | 1000 (750–1500) | 0.374 | 1500 (1175–1650) | 1000 (815–1400) | 0.123 |
Hb (g/dL) | 11.1 (10.5–12.1) | 10.7 (9.7–11.7) | 0.597 | 11.1 (10.7–12.3) | 10.7 (9.7–11.6) | 0.158 |
TP (g/dL) | 6.8 (6.7–6.8) | 6.2 (5.9–7) | 0.119 | 6.8 (6.5–7.2) | 6.4 (5.9–6.9) | 0.146 |
Alb (g/dL) | 3.4 (3–3.7) | 3.4 (3.1–3.6) | 0.859 | 3.2 (3.0–3.6) | 3.4 (3.2–3.7) | 0.325 |
Na (mEq/L) | 138 (137–140) | 138 (136–143) | 0.972 | 138 (137–141) | 138 (137–142) | 0.752 |
K (mEq/L) | 4.6 (4.1–5.1) | 4.0 (3.4–4.5) | 0.052 | 4.9 (4.1–5.3) | 4.0 (3.5–4.6) | 0.065 |
Cl (mEq/L) | 105 (103–106) | 103 (98–106) | 0.455 | 105 (100–106) | 103 (99–106) | 0.901 |
Corrected Ca (mg/dL) | 9.9 (8.6–10.1) | 9.5 (9.3–10.2) | 0.479 | 9.9 (9.0–10.1) | 9.5 (9.1–10.2) | 0.875 |
P (mg/dL) | 3.9 (3.4–4.2) | 5.2 (4.3–5.7) | 0.009 | 3.9 (3.4–4.3) | 5.1 (4.1–5.7) | 0.029 |
Zn (mg/dL) | 68 (58–84) | 60 (54–77) | 0.467 | 82 (56–88) | 61 (54–76) | 0.201 |
Intact-PTH (pg/mL) | 163 (33–260) | 137 (69–196) | 0.597 | 49 (37–211) | 140 (76–236) | 0.147 |
BUN (mg/dL) | 54 (49–60) | 55 (46–61) | 0.944 | 49 (44–68) | 55 (48–61) | 0.530 |
Cr (mg/dL) | 6.3 (4.2–7.6) | 8.5 (6.2–11.9) | 0.084 | 6.1 (4.1–6.8) | 8.4 (6.8–11.8) | 0.017 |
UA (mg/dL) | 7.2 (5.6–7.9) | 6.2 (5.4–6.9) | 0.158 | 5.6 (4.9–8.4) | 6.5 (5.4–7.0) | 0.814 |
β2 microglobulin (mg/L) | 12 (10–17) | 19 (12–23) | 0.061 | 12 (10–13) | 19 (15–23) | 0.007 |
Ferritin (ng/mL) | 151 (66–280) | 168 (99–307) | 0.647 | 95 (59–236) | 168 (105–299) | 0.290 |
TSAT (%) | 28 (22–33) | 39 (28–53) | 0.045 | 28 (22–34) | 35 (27–52) | 0.108 |
HCO3− (mmol/L) | 23 (23–28) | 24 (23–28) | 0.526 | 26 (22–29) | 24 (23–27) | 0.505 |
CRP (mg/dL) | 0.21 (0.09–0.28) | 0.10 (0.02–1.20) | 0.606 | 0.16 (0.12–0.49) | 0.14 (0.02–0.99) | 0.694 |
Urinary protein (g/g Cr) | 1.1 (0.3–3.5) | 2.1 (0.7–3.7) | 0.436 | 2.3 (0.5–3.8) | 1.1 (0.7–3.6) | 0.788 |
CTR (%) | 50 (48–58) | 50 (47–59) | 0.859 | 48 (48–58) | 50 (48–59) | 0.636 |
Total Kt/V | 1.81 (1.63–2.26) | 2.00 (1.81–2.47) | 0.259 | 2.26 (1.71–2.66) | 1.96 (1.80–2.24) | 0.666 |
Peritoneal Kt/V | 0.98 (0.54–1.17) | 1.31 (0.90–1.87) | 0.053 | 0.59 (0.47–1.08) | 1.31 (0.94–1.87) | 0.015 |
Renal Kt/V | 1.09 (0.55–1.25) | 0.85 (0.37–1.31) | 0.597 | 1.25 (1.16–1.87) | 0.74 (0.30–0.99) | 0.017 |
Salt excretion (g/day) | 9.5 (4.7–11.6) | 7.9 (6.8–10.7) | 0.967 | 11.0 (4.5–11.4) | 7.7 (6.3–10.4) | 0.485 |