Table 1.
Comparison between adults and children of patients' and disease' characteristics according to BDC subtype in the Todani classification
| Whole series |
p value |
Type I-IVB BDC |
p value |
Type IVA BDC |
p value |
||||
|---|---|---|---|---|---|---|---|---|---|
| Children n = 98 | Adults n = 216 | Children n = 79 | Adults n = 164 | Children n = 19 | Adults n = 52 | ||||
| Median age (years) | 3 [0–15] | 41.5 [16–81] | <0.0001 | 3 [0–15] | 43 [16–81] | <0.0001 | 2.7 [0–15] | 36.9 [16–72] | <0.0001 |
| Sex ratio (F/M) | 2.6 | 4.8 | 0.0354 | 3.43 | 5.07 | 0.0230 | 3.75 | 4.1 | 1.0000 |
| Ethnical origin | |||||||||
| • Caucasian | 74 (75.5%) | 178 (82.4%) | 0.2325 | 60 (75.9%) | 136 (82.9%) | 0.4946 | 14 (73.7%) | 42 (80.8%) | 0.2386 |
| • West and south African | 7 (7.1%) | 5 (2.3%) | 6 (7.6%) | 5 (3%) | 1 (5.3%) | 0 | |||
| • North African | 9 (9.2%) | 13 (6.0%) | 6 (7.6%) | 10 (6.1%) | 3 (15.8%) | 3 (5.8%) | |||
| • Asian | 4 (4.1%) | 9 (4.2%) | 4 (5.1%) | 6 (3.7%) | 0 | 3 (5.8%) | |||
| • Others | 4 (4.1%) | 11 (5.1%) | 3 (3.8%) | 7 (4.3% | 1 (5.3%) | 4 (7.7%) | |||
| ASA score | |||||||||
| • 1 or 2 | 98 (100%) | 201 (93.1%) | 0.0039 | 79 (100%) | 153 (93.3%) | 0.0181 | 19 (100%) | 48 (92.3%) | 0.5678 |
| • ≥3 | 0 | 15 (6.9%) | 0 | 11 (6.7%) | 0 | 4 (7.7%) | |||
| Todani BDC types | |||||||||
| • Type I | 78 (79.6%) | 159 (73.6%) | 0.2537 | – | – | – | – | – | – |
| • Subtype Ia | 50 (64.1%) | 67 (42.1%) | 0.0112 | 50 (64.1% | 67 (42.1%) | 0.0112 | – | – | – |
| • Subtype Ib | 6 (7.7%) | 22 (13.8%) | 6 (7.7%) | 22 (13.8%) | – | – | – | ||
| • Subtype Ic | 22 (28.2%) | 67 (42.1%) | 22 (28.2%) | 67 (42.1%) | – | – | – | ||
| • Not reported | 0 | 3 (1.9%) | 0 | 3 (1.9%) | – | – | – | ||
| • Type IVB | 1 (1%) | 5 (2.3%) | 0.3577 | 1 (1.2%) | 5 (3%) | 0.6669 | – | – | – |
| • Type IVA | 19 (19.4%) | 52 (24.1%) | 0.6696 | – | – | – | – | – | – |
| Main biliary convergence (MBC) adequately analyzed | 83 (84.6%) | 183 (84.7%) | 0.3541 | 68 (86.1%) | 140 (85.3%) | 1.0000 | 15 (78.9%) | 43 (82.7%) | 0.7362 |
| Cyst Involvement of MBC | 23/83 (27.7%) | 63/183 (34.4%) | 0.2780 | 12/68 (17.6%) | 40/140 (28.6%) | 0.0879 | 11/15 (73.3%) | 23/43 (53.5%) | 0.1790 |
| • MBC-1 | 20 | 41 | 0.932 | 11 | 31 | 0.1540 | 9 | 10 | 0.0440 |
| • MBC-2 | 3 | 22 | 1 | 9 | 2 | 13 | |||
| Presence of pancreatobiliary malunion (PBM) adequately explored | 71 (72.4%) | 170 (78.7%) | 0.7568 | 56 (70.8%) | 134 (81.7%) | 0.0038 | 15 (78.9%) | 35 (67.3%) | 0.3948 |
| Anomalous PBM | 64/71 (90.1%) | 119/170 (70%) | 0.0008 | 51 (91%) | 98 (73.1%) | 0.0063 | 13 (86.6%) | 21 (48.8%) | 0.0597 |
Abbreviations: ASA score, The American Society of Anesthesiology physical status score.