Fig. 3. Distribution of total lung disease according to the anteroposterior level (mean ± SD). *P < 0.05 versus  sternal one third in responders by Tukey test; **P < 0.001 versus  sternal one third and central one third in nonresponders by Tukey test; #P < 0.05 versus  central one third and P < 0.001 versus  sternal one third in nonresponders by Tukey test.