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Table 2 Spatial-temporal clusters of pulmonary tuberculosis cases in Yunnan, 2005–2018

From: The characteristics of spatial-temporal distribution and cluster of tuberculosis in Yunnan Province, China, 2005–2018

Cluster typeCluster periodCoordinates/RadiusNObserved cases
(n)
Expected cases
(n)
RRLLRP
Most likely cluster2011-02-01 to 2015-03-31(27.90 N, 105.00 E) / 43.10 km210,96342992.603657.56< 0.001
Secondary cluster 12015-01-01 to 2018–12-31(21.99 N, 100.31 E) / 240.95 km1820,08011,7391.752533.15< 0.001
Secondary cluster 22015-01-01 to 2018–12-31(26.03 N, 98.86 E) / 75.94 km3409714592.831600.85< 0.001
Secondary cluster 32005-01-01 to 2007-06-30(25.15 N, 100.55 E) / 119.09 km1812,39984681.48817.74< 0.001
Secondary cluster 42005-01-01 to 2006-07-31(23.30 N, 103.51 E) / 77.79 km10503433251.52382.49< 0.001
Secondary cluster 52005-03-01 to 2009-03-31(23.66 N, 105.70 E) / 0 km119539921.97362.91< 0.001
Secondary cluster 62007-01-01 to 2010-06-30(27.25 N, 103.41 E) / 87.96 km5668547311.42362.18< 0.001
Secondary cluster 72005-02-01 to 2008-08-31(24.96 N, 104.32 E) / 0 km1202111601.75261.64< 0.001
Secondary cluster 82005-01-01 to 2007-07-31(25.16 N, 102.66 E) / 14.67 km2207212471.67228.04< 0.001
Secondary cluster 92010–10-01 to 2013–11-30(25.89 N, 102.58 E) / 0 km112307631.61120.85< 0.001
Secondary cluster 102006-01-01 to 2006-01-31(25.76 N, 102.20 E) / 34.34 km2130245.32111.79< 0.001
Secondary cluster 112009-08-01 to 2013-09-30(26.15 N, 103.05 E) / 0 km111407181.59104.95< 0.001
Secondary cluster 122008-01-01 to 2008–10-31(25.03 N, 103.71 E) / 0 km15903071.92102.22< 0.001
Secondary cluster 132007-04-01 to 2007-07-31(26.30 N, 104.13 E) / 0 km14672731.7156.96< 0.001
Secondary cluster 142005-01-01 to 2006-09-30(24.77 N, 103.42 E) / 0 km14072411.6947.25< 0.001
Secondary cluster 152012-01-01 to 2012-05-31(25.79 N, 103.86 E) / 62.11 km47095141.3833.06< 0.001
Secondary cluster 162005-04-01 to 2005-06-30(24.60 N, 102.53 E) / 27.58 km2142851.6715.810.012
  1. PTB Pulmonary tuberculosis, N number of counties in the cluster, RR Relative risk,
  2. LLR Log-likelihood ratios