Table 3.
Portal vein types recorded in other studies re-evaluated based on BLB classification system and Atri’s classification
| BLB classification | Sureka et al.(4) (n = 967) |
Koç et al.(10) (n = 1384) |
Gunasekaran et al.(9) (n = 100) |
Covey et al.(2) (n = 200) |
|---|---|---|---|---|
| Type I | 773 (79.9) | 1045 (75.5) | 67 (67.0) | 130 (65.0) |
| Type II | ||||
| IIa | 66 (6.8) | 154 (11.1) | 10 (10.0) | 18 (9.0) |
| IIb | 48 (5.0) | 134 (9.7) | 6 (6.0) | 26 (13.0) |
| IIc | ||||
| IId | ||||
| Type III | ||||
| Type IV | ||||
| IVa | 2 (0.2) | |||
| IVb | 5 (0.5) | |||
| IVc | 1 (0.5) | |||
| IVd | 26 (2.7) | 7 (0.5) | 1 (1.0) | 2 (1.0) |
| IVe | 16 (1.7) | 26 (1.9) | 8 (8.0) | 12 (6.0) |
| IVf | 3 (0.3) | 2 (0.1) | 7 (3.5) | |
| IVg | 1 (0.1) | 5 (5.0) | 1 (0.5) | |
| Matching ratio in BLB classification | 939 of 967 (97.1)* | 1369 of 1384 (98.9)* | 97 of 100 (97.0)* | 197 of 200 (98.5)* |
| Matching ratio in Atri’s classification | 887 of 967 (91.7) | 1333 of 1384 (96.3) | 83 of 100 (83.0) | 174 of 200 (87.0) |
Values in parentheses are percentages. *P < 0.001 versus matching ratio in Atri’s classification for each study (χ2 test)