Table 1.
Baseline patient and disease characteristics
| 2016–2019 (n = 50) | 2000–2015 (n = 141) | P ‡ | |
|---|---|---|---|
| Age (years) * | 65(11) | 63(10) | 0·231§ |
| Sex ratio (F : M) | 21 : 29 | 53 : 88 | 0·582 |
| BMI (kg/m 2 ) † | 23 (22–26) | 22 (20–26) | 0·974¶ |
| ECOG performance status | 0·285 | ||
| 0 | 30 (60) | 98 (69·5) | |
| 1 | 13 (26) | 35 (24·8) | |
| 2 | 6 (12) | 7 (5·0) | |
| 3 | 1 (2) | 1 (0·7) | |
| ASA grade | 0·190 | ||
| I | 5 (10) | 30 (21·3) | |
| II | 37 (74) | 88 (62·4) | |
| III | 8 (16) | 23 (16·3) | |
| Jaundice at presentation | 33 (66) | 104 (73·8) | 0·295 |
| Biliary drainage | 36 (72) | 123 (87·2) | 0·013 |
| Type of biliary drainage | 0·242 | ||
| Percutaneous transhepatic | 5 (14) | 11 (8·9) | |
| Endoscopic | 23 (64) | 67 (54·5) | |
| Both | 8 (22) | 45 (36·6) | |
| Preoperative cholangitis | 23 (46) | 47 (33·3) | 0·101 |
| Bismuth type | 0·134 | ||
| I | 0 (0) | 0 (0) | |
| II | 0 (0) | 4 (2·8) | |
| IIIA | 33 (66) | 70 (49·6) | |
| IIIB | 9 (18) | 44 (31·2) | |
| IV | 8 (16) | 23 (16·3) | |
| Portal vein embolization | 16 (32) | 9 (6·4) | < 0·001 |
| Resection type | 0·432 | ||
| Left hemihepatectomy | 17 (34) | 57 (40·4) | |
| Extended left hemihepatectomy | 2 (4) | 6 (4·3) | |
| Right hemihepatectomy | 16 (32) | 33 (23·4) | |
| Extended right hemihepatectomy | 15 (30) | 40 (28·4) | |
| Central/minor liver resection | 0 (0) | 5 (3·5) | |
| Portal vein reconstruction | 8 (16) | 38 (27·0) | 0·120 |
Values in parentheses are percentages unless indicated otherwise; values are
*
mean(s.d.) and
†
median (i.q.r.). ECOG, Eastern Cooperative Oncology Group.
‡
χ2 or Fisher's exact test, except
§
Student's t test and
¶
Mann–Whitney U test.