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Table 6 Spatial clusters of temporal trends of smear positive PTB in China, 2011–2017

From: Spatial inequality, characteristics of internal migration, and pulmonary tuberculosis in China, 2011–2017: a spatial analysis

Cluster Province Observed cases Expected cases Inside time trend Out time trend RR LLR P-value
Most likely cluster Fujian, Zhejiang, Jiangxi, Shanghai 273 797 242 928 −3.85 −10.82 1.15 2656.66  < 0.001
Secondary cluster 1 Guizhou 84 996 52 590 −3.87 −10.15 1.64 739.22  < 0.001
Secondary cluster 2 Beijing, Tianjin 24 959 53 147 −2.69 −9.96 0.46 294.26  < 0.001
Secondary cluster 3 Jiangsu 74 598 118 993 −5.89 −10.06 0.61 290.55  < 0.001
Secondary cluster 4 Xinjiang 70 733 37 075 −5.79 −10.03 1.94 281.90  < 0.001
Secondary cluster 5 Ningxia 6108 9814  + 0.94 −9.93 0.62 157.48  < 0.001
Secondary cluster 6 Tibet 6038 4720 −3.19 −9.92 1.28 62.44  < 0.001
Secondary cluster 7 Hainan, Guangxi 83 704 84 273 −9.33 −9.92 0.99 6.86  < 0.01
  1. ‘ + ’ means annual increase trend, ‘−’ means annual decrease trend; PTB pulmonary tuberculosis