Period | Liver cancer | Gallbladder cancer | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Inside the cluster | Outside the cluster | Total area | Inside the cluster | Outside the cluster | Total area | |||||
N of districts | Incidence ratea | N of districts | Incidence ratea | Incidence ratea | N of districts | Incidence ratea | N of districts | Incidence ratea | Incidence ratea | |
1999–2003 | 74 | 34.4 | 173 | 27.4 | 27.5 | 75 | 8.4 | 172 | 6.1 | 6.7 |
2004–2008 | 74 | 31.9 | 173 | 25.6 | 25.8 | 53 | 9.0 | 194 | 6.4 | 6.9 |
2009–2013 | 74 | 28.7 | 173 | 22.6 | 22.7 | 74 | 8.0 | 173 | 6.1 | 6.5 |