Fig. 2From: The influence of travel time on emergency obstetric care seeking behavior in the urban poor of Bangladesh: a GIS studySpatial distribution of EmOC facilities and sampling clusters in Sylhet City Corporation. (label) Different panels show all facility types (panel a) and individually NGO (b), public (c) and private facilities (d). The size of the clusters reflects the ratio of facility deliveries to total deliveries for each cluster (in %). The shortest travel time calculated along the road network is shown as background. Statistics for the Global Bivariate Moran’s I index shown are calculated between the percentage of facility deliveries aggregated at cluster level and the network travel time calculated at the cluster centerBack to article page