Peri-diaphragmatic lung volume assessed by computed tomography correlates with quality of life in patients with chronic obstructive pulmonary disease
Article first published online: 21 SEP 2012
© 2012 The Authors. Respirology © 2012 Asian Pacific Society of Respirology
Volume 17, Issue 7, pages 1137–1143, October 2012
How to Cite
TANABE, N., MURO, S., FUSEYA, Y., SATO, S., OGUMA, T., KIYOKAWA, H., TAKAHASHI, T., KINOSE, D., HOSHINO, Y., KUBO, T., HIRAI, T. and MISHIMA, M. (2012), Peri-diaphragmatic lung volume assessed by computed tomography correlates with quality of life in patients with chronic obstructive pulmonary disease. Respirology, 17: 1137–1143. doi: 10.1111/j.1440-1843.2012.02221.x
- Issue published online: 21 SEP 2012
- Article first published online: 21 SEP 2012
- Accepted manuscript online: 4 JUL 2012 02:40AM EST
- Received 25 January 2012; invited to revise 15 March 2012, 18 April 2012; 28 April 2012; revised 19 March 2012, 19 April 2012; 28 April 2012; accepted 28 April 2012 (Associate Editor: Paul Thomas).
Figure S1 Relationship between different measurements of DLV% in 21 patients by two pulmonologists (A) and Bland-Altman plot (B). Correlation for measurements of DLV% between the two pulmonologists is significant (r = 0.980, P < 0.001). The Bland-Altman plot shows bias of 0.32% and 95% limits of agreement of −1.09 to 1.75%. Solid line, mean difference (bias) between the two measurements. Upper and lower dashed lines represent 95% limits of agreement.
Figure S2 Relationship between 21 paired measures of DLV% and Ldi (A and C, respectively) and Bland-Altman plot for each (B and D, respectively). Correlation for DLV% and Ldi is significant (r = 0.947, P < 0.001 and r = 0.929, P < 0.001, respectively). Bland-Altman plot shows bias for DLV% and Ldi of 0.34% and 0.01 cm, respectively, and 95% limits of agreements of −1.95 to 2.63% and −1.28 to 1.29 cm, respectively. Solid line, mean difference (bias) between the two measurements. Upper and lower dashed lines, 95% limits of agreement.
Table S1 Characteristics of 21 patients whose CT images were used to validate two diaphragm-related CT parameters
Table S2 Computed tomography parameters and SGRQ scores for patients with chronic obstructive pulmonary disease (n = 123)
Table S3 Multivariate analysis showing relative contributions of each CT parameter to SGRQ score (n = 123)
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