Evaluation of the Inferior Vena Cava Diameter in Dehydrated Children Using Bedside Ultrasonography

Table 1

Comparison of the demographic characteristics, cardiac and biochemical parameters according to the degree of dehydration

Variables	Dehydration degree
	Mild (n = 78)		Moderate (n = 37)		Severe (n = 9)		Total (n = 124)
	Mean	SD	Mean	SD	Mean	SD	Mean	SD	ANOVA value
Age (year)	7.55	4.50	7.16	5.66	8.05	5.90	7.47	4.94	0.867
Weight persentil (%)	60.15	30.35	48.82	34.13	38.30	29.76	55.18	32.00	0.052
BMI persentil (%)	65.93	34.16	61.23	33.73	47.37	33.75	63.18	34.08	0.279
IVC/AO first^a	1.1712	0.2265	1.0352	0.2647	0.9542	0.2733	1.1149	0.2516	0.003
IVC/AO last^b	1.4157	0.2386	1.2689	0.2764	1.1608	0.1275	1.3547	0.2589	0.015
IVC trans First^a (mm)	1.1664	0.3799	0.8986	0.3566	0.8711	0.2973	1.0650	0.3885	0.001
IVC trans Last^b (mm)	1.4602	0.3290	1.2066	0.4405	1.2260	0.4082	1.3610	0.3898	0.012
AO first (mm)^a	0.9959	0.2547	0.8822	0.3045	0.9656	0.4127	0.9598	0.2854	0.136
AO last (mm)^b	1.0427	0.2259	0.9782	0.2716	0.9175	0.1733	1.0152	0.2405	0.372
IVC-CI first^a	24.98	10.42	24.41	10.62	22.87	12.21	23.50	10.21	0.841
IVC-CI last^b	23.29	10.14	22.83	9.46	29.28	15.13	24.65	10.54	0.429
IVC min first^a (mm)	0.6001	0.1601	0.6143	0.2288	0.6706	0.3137	0.6095	0.1952	0.586
IVC min last^b (mm)	0.6518	0.1803	0.6200	0.2010	0.5320	0.1359	0.6340	0.1858	0.348
IVC max first^a (mm)	0.8042	0.1979	0.8238	0.3269	0.8581	0.3434	0.8140	0.2524	0.802
IVC max last^b (mm)	0.8559	0.2386	0.8093	0.2394	0.7980	0.3615	0.8366	0.2445	0.674
Pulse (/minute)	98.46	11.31	103.27	13.37	108.78	24.76	100.65	13.50	0.040
DBP (mmHg)	63.38	5.98	62.24	5.48	62.78	8.33	63.00	6.00	0.640
SBP (mmHg)	98.27	8.75	96.43	11.00	95.56	12.10	97.52	9.68	0.525
Glucose (mg/dL)	97.18	16.39	97.51	29.97	92.33	42.10	96.91	23.38	0.824
Bun (mg/dL)	12.64	3.63	15.78	4.48	24.58	14.00	14.45	6.13	0.001
Creatinine(mg/dL)	0.48	0.13	0.50	0.17	0.84	0.44	0.53	0.37	0.029
Uric acid (mg/dL)	4.25	1.10	4.87	1.38	7.26	2.86	4.67	1.58	0.002
Na (mEq/L)	136.86	2.38	137.46	3.29	137.00	3.46	137.04	2.75	0.566
K (mEq/L)	4.23	0.31	4.11	0.36	3.71	0.65	4.16	0.38	<0.001
WBC (/uL)	11.04	3.72	11.56	4.35	13.20	6.83	11.36	4.19	0.722
Hb (g/dL)	13.06	1.24	12.91	1.85	13.09	1.97	13.18	2.04	0.872
HTC (%)	37.21	3.43	37.23	5.20	38.46	6.52	37.67	4.98	0.708
pH	7.40	0.039	7.40	0.06	7.35	0.12	7.40	0.06	0.248
HCO3 (mmol/L)	22.05	1.74	20.84	3.05	19.50	6.38	21.50	2.82	0.056
Lactate (mmol/L)	1.55	0.46	1.89	0.78	2.38	1.56	1.71	0.71	0.102
CRP (mg/L)	9.26	16.97	8.05	19.18	25.07	48.07	10.0952	21.4623	0.119

Kruskal-Wallis H. SD: Standard Deviation. AO: Aorta, IVC: Inferior vena cava, CI: Collapsibility index BMI: Body mass index, DBP: Diastolic blood pressure, SBP: Systolic blood pressure, BUN: Blood Urea Nitrogen, Na: sodium, K: potassium, WBC: white blood cell, Hb: hemoglobin, Htc: hematocrit, CRP: C-reactive protein.^a before fluid therapy.^b after fluid therapy.