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Table 3 Spatial clusters associated to the risk of meningitis in 515 health zones, DRC, 2000–2012

From: Understanding the spatio-temporal dynamics of meningitis epidemics outside the belt: the case of the Democratic Republic of Congo (DRC)

N° Clusters

Relative Risk

Observed/expected cases

p-value

Provinces

Number of Health Zones

Health Zones

Primary cluster

4.37

4.11

< 0.0001

Orientale

11

Faradje, Makoro, Watsa, Laybo, Aba, Aungba, Ariwara, Adia, Adi, Aru and Biringi

Secondary cluster 1

4.21

4.00

< 0.0001

Kinshasa

6

Kingasani, Kimbanseke, Ndjili, Kisenso and Biyela

Secondary cluster 2

4.09

4.02

< 0.0001

Maniema

4

Kailo, Kinda, Alunguli and Kalima

Secondary cluster 3

3.30

3.25

< 0.0001

Orientale

5

Bafwabogbo, Bafwasende, Wamba, Pawa and Isiro

Secondary cluster 4

2.81

2.77

< 0.0001

Katanga

7

Kambove, Likasi, fungurume, Bunkeya, Kapolobwe, Kikula and Panda

Secondary cluster 5

1.90

 

< 0.0001

Equateur

5

Yakoma, Abuzi, Wapinda, Wasolo and Yamongili

Orientale

5

Bondo, Likati, Bili, Monga and Aketi

Secondary cluster 6

1.77

1.77

< 0.0001

Kasaï Oriental

2

Djalo-Djeka and Katoko-Kombe

Secondary cluster 7

1.64

1.61

< 0.0001

Equateur

11

Lotumbe, Ingende, Iboko, Boende, Bikoro, Bolonge, Wangata, Monika, Bolomba, Mbandaka and Basankusu

Bandundu

3

Penzwa, Kiri and Inongo