Characteristics, blood pressure, and 24 hour urinary sodium concentrations in 68 patients with definite VVS
| Total | Symptoms | VASIS I classification | VASIS II classification | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Severe | Mild | 1 | 2A | 2B | 3 | C | D | ||
| All values are expressed as mean (SD). | |||||||||
| *p<0.0001. | |||||||||
| C, classical; D, dysautonomic. | |||||||||
| n | 68 | 38 | 30 | 31 | 5 | 6 | 26 | 53 | 15 |
| Age (years) | 43(17) | 42(17) | 46(16) | 46(17) | 46(11) | 50(18) | 39(16) | 44(16) | 42(18) |
| Systolic blood pressure (mm Hg) | 126(19) | 127(19) | 126(22) | 125(23) | 124(15) | 126(21) | 129(18) | 127(21) | 126(16) |
| Diastolic blood pressure (mm Hg) | 64(12) | 63(11) | 66(12) | 65(10) | 64(14) | 64(15) | 63(14) | 64(12) | 64(10) |
| 24 hour urinary sodium concentrations (mmol/24 hours) | 162(65) | 121(35)* | 213(57)* | 163(69) | 226(84) | 124(42) | 158(55) | 160(67) | 169(58) |