Table 4
Clinical assessment of impaired circulation in the low and normal superior vena cava (SVC) flow groups. All data are median values
Low SVC
Normal SVC
Two-sided p value
CRT forehead (s) (median)
2.25
2.5
0.79
CRT sternum (s)
2.9
2.7
0.56
CRT toe (s)
3.4
3.1
0.63
Urine output (ml/kg/h)
2.6
3.05
0.50
Mean blood pressure (mm Hg)
32.5
40
0.1
CRT, capillary refill time.