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Table 4 Spatio-temporal variations of TB and SPPTB in areas with higher trends, Iran, March 2008 to March 2018

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 Population Number of cases Expected cases Annual cases / 100,000 OE RR Inside time trend
(annual decrease)
Outside time trend
(annual decrease)
LLR P-value
TB 25% 1 26, 7 (36.380600 N, 52.386100 E) / 113.98 km 18,063,139 21,911 23,660.62 12.1 0.93 0.91 0.130% 3.043% 62.05 0.001
2 12, 8, 22, 25 (31.438500 N, 49.012100 E) / 231.32 km 7,960,272 10,836 10,427.04 13.6 1.04 1.04 0.471% 2.652% 19.51 0.001
3 24 (37.253500 N, 49.490400 E) / 0 km 2,498,200 4834 3272.35 19.4 1.48 1.50 0.360% 2.549% 16.38 0.001
35% 1 7, 26, 18, 17, 27, 24, 29 (35.666400 N, 51.475800 E) / 274.03 km 26,168,650 31,939 34,277.90 12.2 0.93 0.90 0.445% 3.323% 77.32 0.001
2 12, 8, 22, 25 (31.438500 N, 49.012100 E) / 231.32 km 7,960,272 10,836 10,427.04 13.6 1.04 1.04 0.471% 2.652% 19.51 0.001
50% 1 29, 27, 25, 17, 19, 13, 21, 18, 5, 7, 24, 8, 26, 12 (34.885200 N, 48.610600 E) / 384.83 km 38,534,499 47,909 50,475.74 12.4 0.95 0.90 0.891% 3.795% 91.30 0.001
SPPTB 25% 1 26, 7 (36.380600 N, 52.386100 E) / 113.98 km 18,063,139 10,434 11,830.66 5.8 0.88 0.85 0.083% 3.111% 32.34 0.001
35% 1 7, 26, 18, 17, 27, 24, 29 (35.666400 N, 51.475800 E) / 274.03 km 26,168,650 15,652 17,139.46 6.0 0.91 0.87 0.487% 3.391% 38.96 0.001
50% 1 29, 27, 25, 17, 19, 13, 21, 18, 5, 7, 24, 8, 26, 12 (34.885200 N, 48.610600 E) / 384.83 km 38,534,499 23,340 25,238.62 6.1 0.92 0.86 0.702% 4.035% 59.98 0.001
  1. A cluster is statistically significant when its log likelihood ratio is greater than the critical value, which is, for significance level: (Gumbel Critical Values: 0.00001: 13.417707 and 0.0001: 11.182490)