Table 2.
The clinical data of included studies on CBDC patients with or without associated PBM.
| First author (year) |
With PBM | Without PBM | ||||
|---|---|---|---|---|---|---|
| Number of patients | Age at diagnosis | Incidence of CDC | Number of patients | Age at diagnosis | Incidence of CDC | |
| Tashiro et al. [8] (2003) | 153 | 24.3 ± 23.9 | 29/153 | 527 | 47.3 ± 19.3 | 61/527 |
| Kamisawa et al. [13] (2010) | 16 | 54.6 ± 14.2 | 5/16 | 91 | 58.8 ± 9.1 | 20/91 |
| Matsumoto et al. [18] (2003) | 39 | 63.0 ± 11.0 | 12/39 | 211 | 71.4 ± 10.4 | 24/211 |
| Wang et al. [23] (1998) | 11 | NA | 4/11 | 16 | NA | 3/16 |
| Roukounakis et al. [10] (2007) | 22 | 65.6 ± 9.8 | 7/22 | 4 | 68.0 ± 11.5 | 1/4 |
| Ohuchida et al. [24] (2006) | 55 | 30.0 ± 20.7 | 12/55 | 141 | 52.9 ± 16.8 | 11/141 |
| Hasumi et al. [16] (2000) | 63 | 53.2 ± 11.9 | 8/63 | 351 | 66.5 ± 18.4 | 44/351 |
| Suda et al. [26] (1983) | 27 | NA | NA | 45 | NA | NA |
| Song et al. [25] (1999) | 38 | 36.5 ± 14.1 | 7/38 | 291 | 49.2 ± 12.2 | 15/291 |
| Seki et al. [27] (2005) | 6 | 51.6 ± 13.3 | 4/6 | 32 | 50.9 ± 13.7 | 3/32 |
PBM: pancreaticobiliary maljunction; CBDC: common bile duct carcinoma; CDC: congenital dilatation of the common bile duct; NA: not available.