Volume assessment comparing femoral vein and inferior vena cava among chest pain patients presenting to the emergency department

Table 2 Comparison of pre and post-PLR parameters

Variables	Pre-PLR		Post-PLR		p value	Statistical test used
Variables	Median	IQR	Median	IQR	p value	Statistical test used
HR (bpm)	74	64–85	76	65–86	< 0.001	Wilcoxon signed rank test
RR (mnt)	18	16–20	18	17–20	0.747	Wilcoxon signed rank test
SBP (mmHg)	140	120–140	140	130–150	< 0.001	Wilcoxon signed rank test
DBP (mmHg)	80	80–90	84	80–90	0.004	Wilcoxon signed rank test
SPO2(%)	99	98–100	99	98–100	0.877	Wilcoxon signed rank test
IVC Max diameter(cm)	1.64	1.4–1.8	1.82	1.6–2.1	< 0.001	Wilcoxon signed rank test
IVC Min diameter(cm)	1.2	1-1.4	1.5	1.32–1.8	< 0.001	Wilcoxon signed rank test
IVC.CI	0.23	0.13–0.31	0.12	0.06–0.23	< 0.001	Wilcoxon signed rank test
FV Max diameter(cm)	1.11	1-1.3	1.3	1.13–1.5	< 0.001	Wilcoxon signed rank test
FV Min diameter(cm)	1.06	0.95–1.3	1.2	1.1–1.4	< 0.001	Wilcoxon signed rank test
FV.CI	0.05	0.03–0.08	0.04	0.02–0.06	< 0.001	Wilcoxon signed rank test
VTI	21.1	3.56	23	3.58	< 0.001	Paired t test
Stroke volume(mL/beat)	55.6	16	60	17	< 0.001	Paired t test
Cardiac output(L/mint)	4.1	13	4.5	14	< 0.001	Paired t test

HR - Heart rate; RR – Respiratory rate; SBP – Systolic blood pressure; DBP – Diastolic blood pressure; SpO2 – Peripheral oxygen saturation; IVC CI – Inferior vena cava collapsibility index; FV CI – Femoral vein collapsibility index; VTI – Velocity time integral

ISSN: 1865-1380