Table 1.
Patient baseline characteristics and tumor characteristic.
| Before PSM | After PSM | |||||
|---|---|---|---|---|---|---|
| Characteristic | LRH (n = 68) | ORH (n = 358) | P-value | LRH (n = 57) | ORH (n = 57) | P-value |
| Age (years) | 56.0 (36.0–78.0) | 60.0 (27.0–86.0) | 0.099† | 56.0 (36.0–78.0) | 59.0 (34.0–77.0) | 0.910† |
| Gender (male/female) | 54/14 | 320/38 | 0.021* | 49/8 | 50/7 | 0.782* |
| Maximum tumor size (cm) | 1.5 (0.6–10.0) | 2.0 (0.5–13.0) | <0.001† | 1.5 (0.6–4.5) | 1.7 (0.8–4.5) | 0.433† |
| No. of tumors | 1.0 (1.0–4.0) | 1.0 (1.0–6.0) | 0.051† | 1.0 (1.0–4.0) | 1.0 (1.0–2.0) | 0.487† |
| Previous surgical approach | ||||||
| Laparoscopic | 16 | 21 | <0.001* | 7 | 5 | 0.542* |
| Open | 52 | 337 | 50 | 52 | ||
| No. of previous surgery | 1.0 (1.0–2.0) | 1.0 (1.0–5.0) | 0.408† | 1.0 (1.0–2.0) | 1.0 (1.0–3.0) | 0.182† |
| Tumor location | ||||||
| Anterolateral | 53 | 179 | <0.001* | 43 | 47 | 0.358* |
| Posterosuperior | 15 | 179 | 14 | 10 | ||
| HBV (Y/N) | 63/5 | 325/33 | 0.621* | 52/5 | 53/4 | 1.0* |
| Child–Pugh grade (A/B) | 68/0 | 357/1 | 1.0* | 57/0 | 57/0 | 1.0* |
| Liver cirrhosis (Y/N) | 35/33 | 180/178 | 0.857* | 31/26 | 31/26 | 1.0* |
| TB (μmol/L) | 11.35 (2.7–37.7) | 13.0 (3.1–37.5) | 0.120† | 11.2 (2.7–37.7) | 13.2 (4.7–36.4) | 0.134† |
| ALT (U/L) | 20.5 (6.0–49.0) | 21.0 (5.0–219.0) | 0.474† | 20.0 (6.0–43.0) | 21.0 (8.0–86.0) | 0.512† |
| Albumin (g/L) | 45.0 (30.0–53.0) | 44.0 (26.0–69.0) | 0.742† | 45.0 (30.0–53.0) | 46.0 (36.0–69.0) | 0.345† |
| PT (s) | 11.6 (10.0–14.0) | 11.5 (9.6–15.3) | 0.752† | 11.5 (10.0–14.0) | 11.5 (10.2–13.7) | 0.986† |
| AFP (ng/mL) | ||||||
| <20 | 41 | 236 | 0.500* | 36 | 36 | 0.188* |
| 20–400 | 17 | 84 | 12 | 16 | ||
| ≥400 | 8 | 28 | 7 | 2 | ||
| Tumor capsule | ||||||
| None and partial | 42 | 202 | 0.414* | 33 | 29 | 0.452* |
| Complete | 26 | 156 | 24 | 28 | ||
Values are median (range).
*
Pearson χ2 tests or Fisher's exact test, as appropriate.
†
Mann–Whitney U-test (Wilcoxon rank sum W-test).
PSM, propensity score matching analysis; LRH, laparoscopic repeat hepatectomy; ORH, open repeat hepatectomy; HBV, hepatitis B virus; TB, total bilirubin; ALT, alanine transaminase; PT, prothrombin time; AFP, α-fetoprotein; Y, yes; N, no.