Fig. 2From: Oxygen desaturation during the 6-min walk test as a risk for osteoporosis in non-cystic fibrosis bronchiectasisCorrelation between bone mineral density (T score) and the lowest SpO2 during 6MWT (a) and distance-saturation product (b). Abbreviations: SpO2 oxygen saturation by pulse oximetry, 6MWT six minute walk testBack to article page