Table 2.

Comparison of vital signs, body weight, and perfusion variability index values before and after hemodialysis

	Before HD	After HD	P
SBP, median (IQR 25-75)	130 (120-143.7)	120 (110-120)	<0.001
DBP, median (IQR 25-75)	80 (70-88.5)	70 (60-78.7)	<0.001
MAP, median (IQR 25-75)	96.6 (87.5-105.8)	86.6 (76.6-93.3)	<0.001
HR, median (IQR 25-75)	70 (66-78)	72 (66-79.5)	0.353
RR, median (IQR 25-75)	18 (17-19)	18 (16.2-18.7)	0.387
Body weight (mean±SD)	72.4±12.4	69.6±12.3	<0.001
PVI (mean±SD)	20.7±5	27.7±6	<0.001

SBP: Systolic blood pressure, DBP: Diastolic blood pressure, MAP: Mean arterial pressure, HR: Heart rate, RR: Respiratory rate, PVI: Perfusion variability index, HD: Hemodialysis, SD: Standard deviation, IQR: Interquartile range