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Fig. 3 | BMC Pregnancy and Childbirth

Fig. 3

From: Maternal mortality ratio in Jiangsu Province, China: recent trends and associated factors

Fig. 3

The clusters of counties and districts in terms of the related risk factors (Jiangsu province, 2018). A The counties and districts Jiangsu province was divided into Group 1 (blue) and Group 2 (yellow) according to the cluster analysis; All the risk factors involved in the three aspects (Factor 1: the level of economic development; Factor 2: the health systems and health consciousness; Factor 3: maternal risk factors) for cluster analysis by z-score; B The geographical distribution of groups in Jiangsu province; C The preventable maternal mortality in Group 1 and Group 2 regions. *: P < 0.05. The label under the figure: preventable maternal mortality, % (95% confidence interval (CI))

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