Budd-Chiari syndrome in China: A 30-year retrospective study on survival from a single center

Table 1 Baseline characteristics of the 256 patients

	Medicine	Surgery	Intervention	Untreated
Total number	30	14	178	34
Demographic data
Sex
Male	16	4	109	24
Female	14	10	69	10
Age (yr)1	36 (7-74)	35 (24-47)	41 (14-80)	44.5 (14-66)
Duration of symptoms
≤ 1 mo	5	0	28	7
1-6 mo	7	2	35	12
≥ 6 mo	18	12	115	15
Clinical manifestations
Abdominal distention	24	12	82	15
Abdominal wall varicosis	12	13	105	16
Lower-extremity edema	17	13	104	17
Gastroesophageal variceal bleeding	8	3	26	4
Hepatic encephalopathy	0	0	0	2
Laboratory tests12
Hemoglobin level (g/L)	133 (64-172)	149 (101-176)	130.5 (30-180)	134 (80-180)
Platelet count (× 109/L)	130 (49-479)	92 (47-160)	108.5 (33-603)	139.5 (50-341)
Alanine transaminase level (× ULN)	0.6 (0.2-7.6)	0.6 (0.3-1.6)	0.6 (0.2-28)	0.7 (0.3-3.6)
Albumin level (g/L)	34.5 (13.1-54)	36 (22-41)	37.4 (16.7-57.7)	35 (16-58)
Total bilirubin level (μmol/L)	26.2 (6-146.2)	28.6 (17.1-68.4)	26 (7-292)	24.9 (6.1-168)
International normalized ratio	1.4 (0.9-1.9)	1.3 (1.1-1.7)	1.3 (0.9-2.9)	1.3 (0.9-1.8)
Creatinine level (μmol/L)	106.3 (85-341)	74 (71-77)	74.1 (30-254)	75 (29.6-146)
Blood urea nitrogen level (mmol/L)	5.3 (1.8-26.6)	5.1 (2.5-18.6)	5.3 (2.5-39.1)	5.6 (3.6-11.8)
Imaging features
Type of obstruction
HV	9	0	25	10
IVC	3	2	41	9
Com	18	12	112	15
Pattern of IVC obstruction
No obstruction	7	0	25	10
Membranous	14	8	108	15
Segmental	8	4	36	4
Long segmental	1	2	9	5
Ascites	17	9	85	14
AHV compensation	1	3	34	4
IVC thrombosis	11	5	57	14
Portal vein thrombosis	1	0	3	3
Prognostic index
Child-Pugh score12	7 (5-9)	6 (5-7)	7 (5-12)	6 (5-11)
Child-Pugh class2
A	3	1	59	6
B	6	1	61	4
C	0	0	6	1

¹Data are shown as median with range in parentheses;

²Data are incomplete because some laboratory tests were not performed prior to the year 2000. Except where indicated, data are shown as number of patients. ULN: Upper limit of normal; HV: Hepatic vein; IVC: Inferior vena cava; Com: Combination; AHV: Accessory hepatic vein.