Fig. 4From: Optimising spatial accessibility to inform rationalisation of specialist health servicesDistribution of tuberculosis patient estimated travel times to 29 clinics in London, 2010–2013. N = 12,061 patients; catchment clinic defined for each patient as the clinic that would provide the shortest travel time. Each box plot shows the distribution of travel times for a different clinic, with vertical lines representing lower quartiles, median, and upper quartiles, and dots representing outliersBack to article page