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Table 1 The baseline characteristics of patients before PSM

From: The efficacy of surgery in advanced hepatocellular carcinoma: a cohort study

CharacteristicsAll patients, no. (%), 1434 (100)P value
Surgery, 168 (11.7)Non-surgery, 1266 (88.3)
Gender  0.363
 Male135 (80.4)1053 (83.2) 
 Female33 (19.6)213 (16.8) 
Age at diagnosis  0.225
 30–447 (4.2)27 (2.1) 
 45–5972 (42.8)499 (39.4) 
 60–7471 (42.3)563 (44.5) 
 75–8418 (10.7)177 (14) 
Ethnicity  0.373
 White119 (70.8)871 (68.8) 
 Black23 (13.7)225 (17.8) 
 Others26 (15.5)170 (13.4) 
Marital status  0.022
 Married103 (61.3)638 (50.4) 
 Single57 (33.9)571 (45.1) 
 Others8 (4.8)57 (4.5) 
AJCC T stage  < 0.001
 T158 (34.5)289 (22.8) 
 T251 (30.4)270 (21.3) 
 T356 (33.3)627 (49.5) 
 T42 (1.2)65 (5.1) 
 TX1 (0.6)15 (1.2) 
Year of diagnosis  < 0.001
 2004–200649 (29.2)178 (14.1) 
 2007–200949 (29.2)249 (19.7) 
 2010–201228 (16.6)393 (31) 
 2013–201542 (25)446 (35.2) 
Tumor size  0.01
 ≤ 3 cm38 (22.6)181 (14.3) 
 3–5 cm39 (23.2)274 (21.6) 
 > 5 cm91 (54.2)811 (64.1) 
Tumor number  0.428
 1142 (84.5)1104 (87.2) 
 219 (11.3)135 (10.7) 
 36 (3.6)23 (1.8) 
 > 31 (0.6)4 (0.3) 
Radiotherapy  0.115
 Yes11 (6.5)132 (10.4) 
 No157 (93.5)1134 (89.6) 
Chemotherapy  0.046
 Yes77 (45.8)684 (54) 
 No91 (54.2)582 (46) 
Liver resection69
 Wedge or segmental resection27 
 Lobectomy25 
 Extended lobectomy14 
 Hepatectomy3 
Non-liver resection99
 Local tumor destruction30 
 Cryoablation2 
 Percutaneous ethanol injection5 
 Radiofrequency ablation55 
 Others7