Table 2 Characteristics of patients
Characteristics | Non-ER (n = 16) | ER (n = 31) | P value |
|---|---|---|---|
Age (years), Mean ± SD | 57.69 ± 10.35 | 56.94 ± 8.83 | 0.795 |
Gender, No. (%) | Â | Â | 0.763 |
 Male | 7 (43.8) | 15 (48.4) |  |
 Female | 9 (56.2) | 16 (51.6) |  |
Hepatitis, No. (%) | Â | Â | 0.074 |
 Present | 3 (18.8) | 14 (45.2) |  |
 Absent | 13 (81.2) | 17 (54.8) |  |
CA199 level (U/ml), No. (%) | Â | Â | 0.528 |
  < 37 | 6 (37.5) | 9 (29.0) |  |
  ≥ 37 | 6 (37.5) | 18 (58.1) |  |
 Not available | 4 (25.0) | 4 (12.9) |  |
CEA level (ng/ml), No. (%) | Â | Â | 0.851 |
  < 5 | 13 (81.3) | 23 (74.2) |  |
  ≥ 5 | 2 (12.5) | 6 (19.4) |  |
 Not available | 1 (6.2) | 2 (6.4) |  |
Satellite lesions, No. (%) | Â | Â | 0.316 |
 Absent | 15 (93.8) | 24 (77.4) |  |
 Present | 1 (0.2) | 7 (22.6) |  |
MTD, No. (%) | Â | Â | 0.905 |
  < 5 | 7 (43.8) | 13 (41.9) |  |
  ≥ 5 | 9 (56.2) | 18 (58.1) |  |
Lesion location, No. (%) | Â | Â | 0.780 |
 Left lobe | 9 (56.2) | 18 (58.1) |  |
 Right lobe | 7 (43.8) | 11 (35.5) |  |
 Left and Right lobe | 0 (0) | 2 (6.4) |  |
Histologic grade, No. (%) | Â | Â | 0.571 |
 Well | 1 (6.2) | 0 (0) |  |
 Moderate | 9 (56.2) | 17 (54.8) |  |
 Poor | 6 (37.5) | 14 (45.2) |  |
T stage, No. (%) | Â | Â | 0.074 |
 I/II | 13 (81.2) | 17 (54.8) |  |
 III/IV | 3 (18.8) | 14 (45.2) |  |
Lymph node metastasis, No. (%) | Â | Â | 0.103 |
 Present | 1 (6.2) | 10 (32.3) |  |
 Absent | 15 (93.8) | 21 (67.7) |  |