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Table 1 All pairwise comparisons of maneuvers used to dilate the basilic vein.

From: Can we make the basilic vein larger? maneuvers to facilitate ultrasound guided peripheral intravenous access: a prospective cross-sectional study

Maneuver A Maneuver B (A-B) Difference in
vein diameter (mm)
Adjusted 95% confidence interval of difference (mm)* Adjusted p*
Baseline BP cuff 0.87 0.70-1.04 < 0.0001
Baseline Tourniquet 0.71 0.55-0.88 < 0.0001
Baseline BP cuff below heart 0.73 0.52-0.94 < 0.0001
Baseline Tourniquet below heart 0.45 0.25-0.65 < 0.0001
Tourniquet below heart BP cuff 0.43 0.24-0.62 < 0.0001
Tourniquet below heart BP cuff below heart 0.29 0.10-0.48 0.0006
Tourniquet below heart Tourniquet 0.27 0.09-0.44 0.0005
Tourniquet BP cuff 0.16 0.02-0.30 0.0176
Tourniquet BP cuff below heart 0.02 -0.20-0.16 0.9983
BP cuff below heart BP cuff 0.14 -0.01-0.29 0.0843
  1. Differences measured in mm.
  2. *p values and 95% confidence intervals have been adjusted for multiple comparisons using the Tukey method.