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Table 3 Most likely spatiotemporal TB and SPPTB high-rate clusters based on space-time permutation scan statistic model

From: Spatio-temporal epidemiology of the tuberculosis incidence rate in Iran 2008 to 2018

Type of disease Window size Cluster name Location IDs Coordinates / radius Time frame Number of cases Expected cases OE Test statistic P-value
TB (total) 25% 1 30, 4, 14, 9, 20, 16, 8, 10, 22 (32.454000 N, 55.563900 E) / 484.96 km 2009–2010 5219 4692.67 1.11 29.91 0.000
2 26, 7 (36.380600 N, 52.386100 E) / 113.98 km 2017–2018 4352 3891.38 1.12 27.33 0.00
3 19, 21, 13, 29, 17, 2, 1 (35.683300 N, 46.983600 E) / 263.65 km 2009–2010 2497 2213.20 1.13 17.87 0.00
4 23, 11 (37.315300 N, 55.082800 E) / 181.53 km 2013 1042 942.08 1.11 5.17 0.187
35% 1 15, 20, 28, 9, 30, 16, 10 (27.919700 N, 60.724800 E) / 876.32 km 2009–2010 7285 6612.70 1.10 35.47 <  0.00
2 26, 7 (36.380600 N, 52.386100 E) / 113.98 km 2017–2018 4352 3891.38 1.12 27.33 0.00
3 19, 21, 13, 29, 17, 2, 1 (35.683300 N, 46.983600 E) / 263.65 km 2009–2010 2497 2213.20 1.13 17.87 0.00
4 12, 8, 22, 25 (31.438500 N, 49.012100 E) / 231.32 km 2016–2018 3203 2988.46 1.07 7.75 0.013
50% 1 15, 20, 28, 9, 30, 16, 10, 6, 4, 22 (27.919700 N, 60.724800 E) / 1008.53 km 2009–2010 8201 7451.95 1.10 39.45 < 0.00
2 26, 7 (36.380600 N, 52.386100 E) / 113.98 km 2017–2018 4352 3891.38 1.12 27.33 0.00
3 19, 21, 13, 29, 17, 2, 1 (35.683300 N, 46.983600 E) / 263.65 km 2009–2010 2497 2213.20 1.13 17.87 0.00
SPPTB 25% 1 28, 20, 16, 15 (27.031300 N, 56.495100 E) / 428.51 km 2009–2010 2362 2080.43 1.14 19.06 0.000
35% 1 20, 28, 30, 15, 9, 16, 6, 4, 22 (29.615800 N, 57.296300 E) / 633.60 km 2009–2011 4514 4128.03 1.09 19.11 0.000
50% 1 20, 28, 30, 15, 9, 16, 6, 4, 22, 8, 14, 10, 18 (29.615800 N, 57.296300 E) / 816.06 km 2009–2011 6948 6452.56 1.08 21.35 0.000
  1. A cluster is statistically significant when its test statistic is greater than the critical value, which is, for significance level: Gumbel Critical Values: 0.00001: 13.533176 and 0.0001: 11.609444