TABLE I.
Baseline demographic and clinical characteristics of the study patients
| Characteristic | Value |
|---|---|
| Patients (n) | 168 |
| Sex [n (%)] | |
| Men | 95 (56.6) |
| Women | 73 (43.4) |
| Age group [n (%)] | |
| <65 Years | 93 (57.1) |
| ≥65 Years | 70 (42.9) |
| Age (years) | |
| Median | 63 |
| Range | 31–84 |
| Preoperative cea group [n (%)] | |
| 0–4 ng/mL | 40 (23.8) |
| >4 ng/mL | 48 (28.6) |
| Missing | 80 (47.6) |
| Liver lesions | |
| Group [n (%)] | |
| 1 | 79 (47.0) |
| 2 | 38 (22.6) |
| 3 | 22 (13.1) |
| 4 | 10 (6.0) |
| >4 | 11 (6.5) |
| Missing | 8 (4.8) |
| Median (n) | 1 |
| Range (n) | 1–7 |
| Character [n (%)] | |
| Metachronous | 81 (48.2) |
| Synchronous | 87 (51.8) |
| Distribution [n (%)] | |
| Solitary | 79 (47.0) |
| Multiple | 81 (48.2) |
| Missing | 8 (4.8) |
| Topography [n (%)] | |
| Unilobar | 105 (62.5) |
| Bilobar | 58 (34.5) |
| Missing | 5 (3.0) |
| Survival status [n (%)] | |
| Alive | 92 (54.8) |
| Deceased | 76 (45.2) |
| Chemotherapy received [n (%)] | |
| Any adjuvant | 118 (70.2) |
| None | 47 (28.0) |
| Not reported | 3 (1.8) |
| Timing of adjuvant chemotherapy [n (%)] | |
| Preoperative | 22 (18.6) |
| Perioperative | 59 (50) |
| Postoperative | 37 (31.4) |
cea = carcinoembryonic antigen.