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

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

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

Differences measured in mm.
*p values and 95% confidence intervals have been adjusted for multiple comparisons using the Tukey method.

ISSN: 1865-1380