|  | Group | Chi-square test (p-value) | ||
---|---|---|---|---|---|
300–500 um group (N = 83) | 500–700 um group (N = 96) | Pearson Chi-square | Fisher's exact test | ||
Gender | Â | Â | Â | Â | Â |
 Male | Count (%) | 51 (61.4%) | 61 (63.5%) | 0.295 | 0.376 |
 Female | Count (%) | 32 (38.6%) | 35 (36.5%) |  |  |
Child–Pugh classification of liver function |  |  |  |  |  |
 A | Count (%) | 63 (75.9%) | 74 (77.1%) | 0.349 | 0.416 |
 B | Count (%) | 20 (24.1%) | 22 (22.9%) |  |  |
Etiology of cirrhosis | Â | Â | Â | Â | Â |
 Hepatitis B | Count (%) | 59 (71.1%) | 67 (69.8%) | 0.447 |  |
 Hepatitis C | Count (%) | 13 (15.7%) | 16 (16.7%) |  |  |
 Alcoholic cirrhosis | Count (%) | 8 (9.6%) | 10 (10.4%) |  |  |
 Autoimmune cirrhosis | Count (%) | 3 (3.6%) | 3 (3.1%) |  |  |
ECOG score | Â | Â | Â | Â | Â |
 0 | Count (%) | 48 (57.8%) | 51 (53.1%) | 0.305 |  |
 1 | Count (%) | 24 (28.9%) | 29 (30.2%) |  |  |
 2 | Count (%) | 11 (13.3%) | 16 (16.7%) |  |  |