Table 2 Spatial autocorrelation test of six types of malignant tumors’ occurrence proportion in prefecture-level regions.

From: Geographical analysis of malignant tumor incidence and treatment in China

Type of malignant tumor

Respiratory system

Digestive system

Breast system

Reproductive system

Urinary system

Endocrine system

Moran’s I

0.4116

0.3653

0.1807

0.2165

0.5917

0.3790

Z-value

10.2431

8.9393

4.3279

5.6663

14.9529

9.3000

Significance level

< 0.001

< 0.001

< 0.001

< 0.001

< 0.001

< 0.001

Spatial pattern

Strong clustering

Strong clustering

Strong clustering

Strong clustering

Strong clustering

Strong clustering