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Table 3 Statistically significant county-level high incidence and low incidence spatial clusters of Hand, Foot, and Mouth Disease identified using the Local Indicator for Spatial Autocorrelation in GeoDa software (http://geodacenter.github.io/download.html)

From: Epidemiological features and spatial clusters of hand, foot, and mouth disease in Qinghai Province, China, 2009–2015

Type

County Name

Mean IRa

Local Moran

P-value

High-Risk Cluster

Huzhu

511.0

0.47

0.002

Chengdong

1902.0

4.78

0.001

Chengzhong

2040.8

7.08

0.001

Chengbei

1849.5

4.80

0.001

Chengxi

1387.0

4.55

0.005

Low-Risk Cluster

Chindu

0.0

0.31

0.034

Zhidoi

12.8

0.28

0.043

Nangqeen

12.7

0.33

0.007

Qumarleeb

22.0

0.27

0.013

Yushu

4.3

0.33

0.001

Golmud

155.1

0.15

0.003

Zadoi

3.9

0.29

0.043

  1. aIR Incidence Rate, per 100,000 children 0–5 years of age
  2. Rates were calculated as the mean annual incidence rate for children less than 6 years of age for the seven-year study period