Table 1.

Baseline characteristics of patients

Variables	Underdilated group (n = 73)	Control group (n = 61)	P values
Age, yr	55.0 ± 11.2	53.2 ± 10.6	0.246
Sex, male	41 (56.2)	42 (68.9)	0.155
Etiology			0.691
Hepatitis B virus	35 (47.9)	32 (52.5)
Hepatitis C virus	9 (12.3)	7 (11.5)
Alcohol misuse	7 (9.6)	2 (3.3)
Schistosome	10 (13.7)	8 (13.1)
Others	12 (16.4)	12 (19.7)
Indications for TIPS			0.138
Acute variceal bleeding	33 (45.2)	21 (34.4)
Secondary prophylaxis of variceal bleeding	40 (54.8)	40 (65.6)
Laboratory parameters
TB, mg/dL	1.36 ± 1.02	1.58 ± 1.28	0.272
Albumin, g/L	30.2 ± 6.0	31.0 ± 7.0	0.522
Alanine aminotransferase, U/L	35.3 ± 36.0	38.1 ± 38.2	0.661
Aspartate aminotransferase, U/L	43.6 ± 40.7	49.2 ± 48.2	0.474
Creatinine, mg/dL	0.74 ± 0.27	0.75 ± 0.19	0.825
Prothrombin time, seconds	16.4 ± 2.7	17.0 ± 2.9	0.226
International normalized ratio	1.35 ± 0.28	1.41 ± 0.32	0.272
Hemoglobin, g/L	76.4 ± 17.2	79.0 ± 14.3	0.362
Platelet count, 109/L	110.5 ± 93.2	98.2 ± 87.1	0.436
Child-Pugh score	7.6 ± 1.6	7.7 ± 1.8	0.889
Child-Pugh class			0.159
A	18 (24.7)	21 (34.4)
B	49 (67.1)	31 (50.8)
C	6 (8.2)	9 (14.8)
MELD score	11.1 ± 3.2	11.6 ± 3.9	0.362
MELD-Na score	12.4 ± 3.1	12.9 ± 4.8	0.490
ALBI score	−1.72 ± 0.56	−1.75 ± 0.67	0.822
Ascites			0.976
Nonascites	16 (18.6)	12 (18.2)
Slight ascites	33 (38.4)	24 (36.3)
Moderate or severe ascites	37 (43.0)	30 (45.5)
Portal vein thrombosis	31 (42.5)	20 (32.8)	0.286
Spontaneous portosystemic shunts	23 (26.7)	13 (15.2)	0.241
Pre-TIPS PPG, mm Hg	26.1 ± 5.4	26.9 ± 5.4	0.404

Data are presented as mean ± SD or number of patients (%) where appropriate.

ALBI, albumin-bilirubin; MELD, Model for End-Stage Liver Disease; PPG, portal pressure gradient; TIPS, transjugular intrahepatic portosystemic shunt.