Age Age BMI BMI Duration of exposure to pressure (min) Duration of exposure to pressure (min) Hospital stay (days) Hospital stay (days)
r p r p r p r p
10 mmHg
t1 vein diameter (cm)
-0.071
0.766
-0.021
0.931
-0.095
0.69
-0.173
0.466
t2 vein diameter (cm) -0.27 0.249 -0.206 0.384 0.03 0.899 0.017 0.943
t3 vein diameter (cm) 0.03 0.9 0.12 0.614 -0.15 0.528 -0.171 0.472
t1 flow (mm/sec) 0.029 0.905 0.296 0.205 -0.344 0.138 -0.217 0.358
t2 flow (mm/sec) 0.185 0.435 0.229 0.332 -0.177 0.455 -0.184 0.438
t3 flow (mm/sec) 0.121 0.612 0.312 0.181 -0.281 0.229 -0.262 0.265
13 mmHg
t1 vein diameter (cm)
-0.285
0.223
-0.492
0.027*
0.167
0.48
-0.112
0.638
t2 vein diameter (cm) 0.06 0.802 -0.334 0.151 -0.093 0.696 -0.265 0.258
t3 vein diameter (cm) -0.074 0.755 -0.487 0.029* 0.02 0.934 -0.144 0.545
t1 flow (mm/sec) -0.192 0.418 -0.209 0.375 0.472 0.036* 0.128 0.592
t2 flow (mm/sec) -0.119 0.616 0.027 0.911 0.26 0.267 0.058 0.809
t3 flow (mm/sec) -0.096 0.688 -0.188 0.428 0.493 0.027* 0.148 0.532