Patients | 80 | 80 | | | 65 | | |
MIP cmH2O | 85±30 86 (23–152) | 84±32 78 (18–181) | −0.8±18.1 1.5 (−44–60) | 1.00 | 94±31 94 (19–183) | 6.2±16 5.0 (−57–40) | 0.0009 |
MIP % pred | 104±30 106 (40–165) | 101±34 100 (30–184) | −6.6±20 −6.0 (−49–61) | 0.43 | 114±31 117 (32–196) | 9.2±22 6.0 (−59–68) | 0.011 |
MEP cmH2O | 102±33 101 (37–185) | 99±34 96 (36–203) | −3.3±18.4 0.00 (−95–44) | 0.23 | 108±37 108 (37–247) | 3.1±17.8 4.0 (−36–62) | 0.14 |
MEP % pred | 106±25 103 (49–168) | 102±28 102 (41–171) | −3.2±20.5 −3 (−61–50) | 0.52 | 110±30 103 (46–207) | 4.2±18 4.6 (−38–54) | 0.14 |
6MWT m#,¶ | 506±125 519 (120–751) | 467±135 472 (119–726) | −137.6±74.8 −28 (−304–116) | <0.0001 | 519±127 527 (231–793) | −5.6±60.1 −3.0 (−132–224) | 0.52 |
6MWT % pred | 100±20 102 (32–136) | 92±22 94 (24–148) | −7.4±14.9 −5.0 (−61–23) | <0.0001 | 101±20 104 (52–146) | −1.6±12.5 0.0 (−33–38) | 0.32 |
Oxygen saturation at rest, before 6MWT %#,¶ | 96±1.9 97 (87–99) | 96±1.6 97 (91–98) | 0.1±1.5 0.0 (−3.0–6.0) | 0.57 | 97±1.2 97 (93–99) | 0.4±1.8 0.0 (−2–9.0) | 0.21 |
Oxygen saturation post-6MWT %#,¶ | 95±3.7 96 (80–100) | 92±5 93 (77–98) | −2.9±4.7 −2 (−19–8) | <0.0001 | 93±3.9 94 (80–98) | −2.1±3.7 −2 (−12–7) | <0.0001 |
Dyspnoea units#,¶,+ | 2±1.5 2 (0–7) | 3±1.9 3 (−0.8–8.5) | 1.1±1.7 1 (−3–6) | <0.0001 | 3±1.8 3 (−1–7) | 0.8±1.5 0.5 (−2–5) | 0.0001 |
Exertion units | 3.2±2.1 3 (0–10) | 4.3±1.9 4 (1–9) | 1.1±1.9 1 (−6–5) | <0.0001 | 3.92±2.2 3 (0–10) | 0.86±2 1 (−5–6) | 0.0014 |