Pulmonary functions, strength and endurance of respiratory muscles and parameters of 6 minute walk test in patients with MG (n=28).
Variables | Mean±SD |
---|---|
FEV1 (%) | 74.72±17.93 |
FVC (%) | 71.60±16.71 |
FEV1/FVC | 85.32±7.72 |
VC (%) | 75.54±15.36 |
MIP (cmH2O) | 81.86±22.85 |
%MIP | 92.90±22.29 |
MEP (cmH2O) | 90.21±37.49 |
%MEP | 85.36±35.59 |
6MWD (m) | 459.32±87.58 |
%6MWD | 80.08±16.93 |
6MWW | 32599.34±8112.72 |
%Maximal HR | 67.23±12.85 |
∆HR (beats/min) | 27.29±18.38 |
∆SpO2 (%) | -0.64±1.59 |
∆General fatigue (modified borg) Median (min-max) | 3 (0-10) |
Respiratory muscle endurance time (sec) Median (min-max) | 42.5 (11-180) |
SD - standard deviation, MG - Myasthenia gravis, FEV1 - forced expiratory volume in one second, FVC - forced vital capacity, VC - vital capacity, MIP - maximal inspiratory pressure, MEP - maximal expiratory pressure, 6MWD - 6 minute walk test distance, 6MWW - six minute walk work, HR - heart rate, SpO2 - oxygen saturation.