Table 3.
Variable | All (n=569) | Men (n=193) | Women (n=376) |
Volume (mL/24 hours) | 1354 (725) | 1392 (712) | 1335 (731)* |
1129 (855–1618) | 1150 (900–1721) | 1122 (827–1593) | |
Sodium (mmol/24 hours) | 144.3 (78.8) | 154.2 (87.4) | 139.2 (73.6)* |
129.6 (85.7–187.4) | 135.4 (87.1–204.8) | 126.8 (83.9–179.4) | |
Potassium (mmol/24 hours) | 52.6 (32.6) | 56.4 (32.4) | 50.6 (32.5)* |
46.4 (31.4–64.9) | 50.9 (33.8–73.2) | 44.7 (30.2–61.6) | |
Sodium-to-potassium ratio | 3.3 (3.4) | 3.5 (4.2) | 3.2 (2.8) |
2.8 (2.0–3.8) | 2.7 (1.9–3.9) | 2.8 (2.1–3.8) | |
Creatinine (g/24 hours) | 1.33 (0.71) | 1.72 (0.87) | 1.13 (0.52)‡ |
1.18 (0.86–1.63) | 1.61 (1.16–2.12) | 1.02 (0.81–1.36) | |
Salt intake (g/day) | 9.0 (4.9) | 9.6 (5.5) | 8.7 (4.6)* |
8.1 (5.3–11.7) | 8.5 (5.4–12.8) | 7.9 (5.2–11.2) | |
Potassium intake (g/day) | 2.36 (1.46) | 2.53 (1.45) | 2.27 (1.46)* |
2.08 (1.41–2.91) | 2.28 (1.52–3.28) | 2.00 (1.35–2.76) | |
Salt <5 g/day N (%) | 124 (21.8) | 40 (20.7) | 84 (22.3) |
Potassium >90 mmol/day N (%) | 52 (9.1) | 24 (12.4) | 28 (7.4)† |
Results are mean (SD) and median (25th–75th percentile) or N (%).
*p<0.05.
†p=0.008.
‡p<0.001.