Table 1.

Patient characteristicsa

CharacteristicHypotension ResistantHypotension ProneP Value
aData are presented as mean ± SEM. LF/HF ratio, ratio between low-frequency and high-frequency power of heart rate variability.
No. of patients118
No. of measurements1830
No. of hypotensive episodes3 of 18 (17%)19 of 30 (63%)<0.01
Age (yr)59 ± 568 ± 3NS
Height (m)1.67 ± 0.021.66 ± 0.02NS
Weight (kg)73.5 ± 5.072.4 ± 5.2NS
Male/female5/61/7NS
Dialysis duration (mo)19.7 ± 5.618.7 ± 8.3NS
Diabetes mellitus3 of 114 of 8NS
Cardiovascular drugs3 of 111 of 8NS
Mean arterial pressure (mmHg)93 ± 593 ± 5NS
Heart rate (bpm)71 ± 481 ± 20.06
Stroke volume (ml)74 ± 854 ± 30.06
Cardiac output (L/min)5.4 ± 0.74.3 ± 0.1NS
LF/HF ratio1.65 ± 0.441.12 ± 0.29NS