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. 2014 Jun 26;13:25. doi: 10.1186/1476-072X-13-25

Table 6.

Spearman rank correlation coefficients (r) and proportion of facilities identified as closest (%) between measures calculated from compound compared to measures calculated from village centroid, n = 9,306 births

Distance measure Closest delivery facility
Closest CEmOC facility
r % r %
Euclidean (km)
0.8296
87.8
0.9647
97.7
Network distance (km)
0.8263
88.6
0.9680
98.7
Mechanized network time (hr)
0.7071
86.2
0.8512
97.5
Non-mechanized network time (hr)
0.8324
88.6
0.9708
98.7
Mechanized raster time (hr)
0.5243
86.7
0.6580
97.4
Non-mechanized raster time (hr) 0.8377 85.7 0.9672 98.7