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Table 2 Results of systolic blood pressure, serum creatinine values, as well as TTP values from color-coded DSA images in the predefined ROIs before and after the procedure

From: Color-coded summation images in the evaluation of renal artery stenosis before and after percutaneous transluminal angioplasty

  Mean/median Delta p value
Prior to intervention After intervention
Systolic blood pressure [mmHg] 169 140 29 0.0004***
Serum creatinine [ml/dl] 2.473 1.400 1.073 0.004**
TTP [s]     
Prestenotic 3.200 2.974 0.226 0.018*
Intrastenotic 3.261 3.007 0.254 0.008**
Poststenotic 3.190 3.190 0.000 0.064
Segmental 3.625 3.361 0.264 0.009**
Parenchymal cranial 4.430 4.260 0.170 0.037*
Parenchymal medial 4.610 4.440 0.170 0.073
Parenchymal caudal 4.525 4.440 0.085 0.420