Table 2.
Clinical epidemiological survey on gallbladder carcinoma in different regions.
| Author | Country | Year | n | Ratio of GBC to BTD (%) | Ratio of gender (male:female) | Average age (year) | Accompanied with gallstones (%) | Pathological type | Lymphatic metastasis (%) | Bile duct metastasis (%) | Liver metastasis (%) | Surgical resection rate (%) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Zou et al5 | China | 1986–1989 | 3922 | 0.9–3.8 | 1.0:2.0 | 57.5 | 49.7 | Mainly adenocarcinoma | 37.3 | 25.3 | 36.8 | – |
| Hamdani et al8 | India | 2004–2011 | 198 | – | 1.0:3.0 | 55 | 86.0 | Mainly adenocarcinoma | 26.3 | – | 53.0 | 33.8 |
| Duffy et al9 | USA | 1995–2005 | 435 | – | 1.0:1.9 | 67 (M) | – | Mainly adenocarcinoma | – | – | – | 43.0 |
| Alexander et al10 | Netherlands | 1975–2008 | 659 | – | 1.0:2.8 | 72 (M) | – | Mainly adenocarcinoma | – | – | – | 64.5 |
| Roa et al11 | Chile | 1987–2005 | 1366 | – | 1.0:4.9 | 61.5 | – | Mainly adenocarcinoma | 60.4 | – | – | – |
| In our group | China | 2009–2013 | 2379 | 1.6–6.8 | 1.0:2.1 | 63.7 | 57.2 | Mainly adenocarcinoma | 55.9 | 29.7 | 53.1 | 30.4 |
GBC: gallbladder carcinoma; BTD: biliary tract diseases; M: median. –: No data.