Table 3 Gastric cancer cluster details based on space–time analysis
Type | Cluster | Years | Cities | Observed cases | Expected cases | RR | p value |
|---|---|---|---|---|---|---|---|
High | 1 2 | 2016–2019 2018–2021 | Jinchang, Wuwei, Zhangye Linxia, Gannan, Dingxi | 10,038 8411 | 4166 7054 | 2.63 1.22 | < 0.01 < 0.01 |
Low | 1 | 2013–2016 | Longnan, Tianshui, Dingxi, Pingliang, Qingyang | 8773 | 16,417 | 0.47 | < 0.01 |