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Table 1 Incidence rates of malaria among the indigenous and the non-indigenous population, and the population attributable fraction of malaria among the indigenous population in Amazonas and surrounding regions

From: Deforestation, drainage network, indigenous status, and geographical differences of malaria in the State of Amazonas

State/region

Total population

Population of indigenous people

Population of non-indigenous people

Overall annual average incidence rate

Annual average incidence rate among the indigenous population

Annual average incidence rate among the non-indigenous population

Indigenous population attributable fraction (%)

Amazonas

3341,143

126,236

3214,907

4142.72

12,976.02

3749.82

8.0

Alto Solimoes

230,744

47,496

183,248

4497.66

13,210.45

2239.37

50.0

Lower Amazonas

212,716

5418

207,298

358.13

996.59

341.44

5.0

Regions surrounding Manaus and Negro River (east)

1928,278

10,761

1917,516

2978.17

6819.55

2956.61

1.0

Regions surrounding Manaus and Negro River (west)

78,565

38,929

39,636

12,407.85

14,051.52

10,793.47

13.0

Middle Amazonas

144,074

368

143,706

3760.7

39,647.22

2638.65

3.0

Jurua River

113,439

3569

109,870

7255.33

18,262.31

6897.78

5.0

Madeira River

152,488

8274

144,214

8223.04

9911.53

8126.17

1.0

Negro River and Solimoes

241,341

2676

238,665

5800.41

12,268.38

5727.87

1.0

Purus River

109,802

4892

104,910

9644.27

23,802.81

8983.95

7.0

Triangulo

129,697

3853

125,844

7188.02

19,138.33

6822.13

5.0