From: Salt intake and blood pressure in Iranian children and adolescents: a population-based study
Urine parameters | Hypertension groups | Normal blood pressure | Pre-hypertension | ||
---|---|---|---|---|---|
Mean difference | p value | Mean difference | p value | ||
Spot urine Na (mmol/L) | Pre-hypertension | 54.33 | < 0.001 |  |  |
Hypertension | 38.03 | < 0.001 | − 16.30 | 0.148 | |
Calculated 24 h Na (mmol/L) | Pre-hypertension | 18.76 | < 0.001 |  |  |
Hypertension | 23.58 | < 0.001 | 4.83 | 0.663 | |
Calculated 24 h K (mmol/L) | Pre-hypertension | 0.76 | 0.716 |  |  |
Hypertension | 3.51 | 0.002 | 2.75 | 0.104 | |
Calculated 24 h Na/K | Pre-hypertension | 0.40 | < 0.001 |  |  |
Hypertension | 0.24 | < 0.001 | − 0.16 | 0.600 | |
Calculated 24 h NaCl (g/day) | Pre-hypertension | 1.10 | < 0.001 |  |  |
Hypertension | 1.38 | < 0.001 | 0.28 | 0.663 |