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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

From: Methods to measure potential spatial access to delivery care in low- and middle-income countries: a case study in rural Ghana

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