Table 5.
Comparison of preoperative characteristics between the Open and Conversion groups
| Variable | Open group | Conversion group | p value |
|---|---|---|---|
| No. of patients | 62 | 13 | |
| Age (yr) | 61.52 ± 11.11 | 57.62 ± 9.13 | 0.241 |
| Sex | 0.677 | ||
| Male | 52 (83.9) | 12 (92.3) | |
| Female | 10 (16.1) | 1 (7.7) | |
| Body mass index (kg/m2) | 22.78 ± 3.32 | 23.72 ± 3.21 | 0.356 |
| Child-Pugh classification | 0.582 | ||
| A | 56 (90.3) | 13 (100) | |
| B | 6 (9.7) | 0 (0) | |
| C | 0 (0) | 0 (0) | |
| Hepatitis | 0.618 | ||
| HBV | 40 (64.5) | 10 (76.9) | |
| HCV | 2 (3.2) | 0 (0) | |
| Both positive | 0 (0) | 0 (0) | |
| Both negative | 20 (32.3) | 3 (23.1) | |
| History of abdominal surgery | 12 (19.4) | 1 (7.7) | 0.444 |
| Alpha-fetoprotein | 4,351.10 ± 14,015.75 | 290.89 ± 449.46 | 0.457 |
| Prior TACE | 18 (29.0) | 4 (36.4) | 0.724 |
| Prior RFA | 8 (12.9) | 0 (0) | 0.598 |
| Tumor size (cm) | 5.45 ± 4.29 | 4.14 ± 2.75 | 0.296 |
| No. of tumors | 0.044 | ||
| Solitary | 53 (85.5) | 8 (61.5) | |
| Multiple | 9 (14.5) | 5 (38.5) | |
| Vascular invasion | 8 (12.9) | 0 (0) | 0.717 |
| Other organ invasionsa) | 6 (9.8) | 2 (15.4) | 0.624 |
Values are presented as number only, number (%), or mean ± standard deviation.
Open group, the patients underwent planned open liver resection; Conversion group, the patients underwent unplanned conversion.
HBV, hepatitis B virus; HCV, hepatitis C virus; TACE, transarterial chemoembolization; RFA, radiofrequency ablation.
a)Other organ invasions imply the cases in which hepatocellular carcinoma involves organs other than the liver.