Document Classification

Section Type: RESULTS

Text: In the LVRS group, patients with BMI 5 % at 6 months had greater improvements in FEV (1) (11. 53 9. 31 vs. 6. 58 8. 68 % ; P < 0. 0001), FVC (17. 51 15. 20 vs. 7. 55 14. 88 % ; P < 0. 0001), residual volume (-66. 20 40. 26 vs. -47. 06 39. 87 % ; P < 0. 0001), 6-minute walk distance (38. 70 69. 57 vs. 7. 57 73. 37 m ; P < 0. 0001), maximal expiratory pressures (12. 73 49. 08 vs. 3. 54 32. 22 ; P = 0. 0205), and Ve/Vco (2) (-1. 58 6. 20 vs. 0. 22 8. 20 ; P = 0. 0306) at 6 months than patients with BMI < 5 % at 6 months.