All Subjects | Expert Panel | P | GOLD definition | P | |||
---|---|---|---|---|---|---|---|
(n = 405) | No COPD (n = 158) | COPD (n = 247) | No COPD (n = 161) | COPD (n = 244) | |||
Pre-bronchodilator Pulmonary Function Test | |||||||
FEV1, % | 76 (57; 96) | 100 (92; 111) | 62 (48; 75) | < 0.001 | 99 (84; 110) | 63 (48; 79) | < 0.001 |
FVC, % | 95 (78; 109) | 109 (99; 120) | 84 (74; 96) | < 0.001 | 104 (91; 117) | 88 (76; 102) | < 0.001 |
FEV1/FVC | 0.66 (0.55; 0.74) | 0.75 (0.7; 0.8) | 0.58 (0.48; 0.66) | < 0.001 | 0.75 (0.71; 0.8) | 0.58 (0.48; 0.65) | < 0.001 |
TLC, % | 110 (100; 122) | 107 (98; 116) | 113 (102; 125) | < 0.001 | 105 (97; 114) | 114 (104; 125) | < 0.001 |
RV, % | 126 (106; 159) | 108 (94; 121) | 146 (120; 175) | < 0.001 | 108 (96; 126) | 142 (117; 174) | < 0.001 |
RV/TLC, % | 114 (99; 132) | 99 (92; 108) | 124 (112; 140) | < 0.001 | 102 (93; 115) | 122 (108; 138) | < 0.001 |
DLCO, % | 72 (58; 83) | 81 (71; 91) | 63 (49; 76) | < 0.001 | 78 (67; 89) | 66 (50; 79) | < 0.001 |
Post-bronchodilator Pulmonary Function Test | |||||||
FEV1, % | 82 (64; 102) | 106 (97; 116) | 69 (56; 81) | < 0.001 | 103 (89; 115) | 70 (56; 85) | < 0.001 |
FVC, % | 102 (88; 117) | 114 (103; 125) | 92 (80; 108) | < 0.001 | 105 (91; 120) | 98 (85; 115) | 0.004 |
FEV1/FVC | 0.66 (0.55; 0.75) | 0.76 (0.71; 0.81) | 0.58 (0.48; 0.66) | < 0.001 | 0.77(0.74; 0.81) | 0.57 (0.47;0. 65) | < 0.001 |