Portalsystemic hemodynamic changes in chronic severe hepatitis B: An ultrasonographic study

Table 1 Means of portalsystemic hemodynamic parameters in different groups

Group	n	PVD (mm)	PVPV (cm/s)	PVV (mL/min)	SPL (mm)	SPVD (mm)	SPVV (mL/min)
NCG	51	11.13 ± 0.91	26.15 ± 4.45	878.52 ± 177.07	94.88 ± 9.91	5.65 ± 0.96	160.66 ± 65.87
CHG	61	12.09 ± 1.14	22.42 ± 5.17	926.51 ± 188.24	105.64 ± 14.29	6.50 ± 1.44	250.96 ± 182.35
RCG	46	13.05 ± 0.87	18.52 ± 2.64	845.21 ± 173.67	120.28 ± 17.88	7.62 ± 1.84	309.43 ± 195.20
ICG	36	14.25 ± 2.42	16.95 ± 3.52	960.89 ± 472.91	152.89 ± 35.80	10.23 ± 3.06	625.43 ± 474.59
SCHG	36	12.38 ± 1.23	16.15 ± 3.82	667.53 ± 192.83	120.42 ± 18.36	7.52 ± 1.52	242.51 ± 137.70

NCG: Normal control group; CHG: Chronic hepatitis B group; RCG: Compensable cirrhosis group; ICG: Decompensable cirrhosis group; SCHG: Chronic severe hepatitis B group; PVD: Portal vein diameter; PVPV: Portal vein peak velocity; PVV: Portal vein volume; SPL: Spleen length; SPVD: Spleen vein diameter; SPVV: Spleen vein volume.