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Table 6 Spatial clusters of temporal trends of smear positive PTB in China, 2005–2015

From: The association between internal migration and pulmonary tuberculosis in China, 2005–2015: a spatial analysis

ClusterProvinceObserved casesExpected casesInside time trendOutside time trendRRLLRP-value
Most likely clusterGuizhou139 710120 111.50+ 0.207%-7.186%1.173910.53< 0.001
Secondary cluster 1Guangdong370 418327 992.83-3.098%-7.335%1.143365.99< 0.001
Secondary cluster 2Hunan275 328214 349.02-3.256%-7.212%1.302229.74< 0.001
Secondary cluster 3Jiangxi202 934146 151.46-2.734%-7.166%1.412081.28< 0.001
Secondary cluster 4Zhejiang136 317172 774.33−3.581%-7.065%0.78883.59< 0.001
Secondary cluster 5Beijing23 52160 261.71+ 0.222%-6.977%0.39649.49< 0.001
Secondary cluster 6Liaoning110 409142 926.77-4.286%-7.034%0.77448.46< 0.001
Secondary cluster 7Qinghai24 99818 502.14-4.082%-6.980%1.35115.59< 0.001
Secondary cluster 8Hainan, Guangxi168 914184 250.00-6.037%-7.002%0.9184.00< 0.001
Secondary cluster 9Xizang10 5019717.49-4.358%-6.970%1.0839.88< 0.001
Secondary cluster 10Hubei268 451189 597.05-6.483%-6.986%1.4435.81< 0.001
  1. ‘+’ means annual increase trend, ‘-’ means annual decrease trend
  2. PTB Pulmonary tuberculosis, RR Relative risk, LLR Log-likelihood ratio