Table 3 Classification of dyspnea (Modified Medical Research Council)
From: Apnoeic oxygenation with high-flow oxygen for tracheal resection and reconstruction surgery
Dyspnea scale | Grade 1 | Grade 2 | Grade 3 | Grade 4 | Total |
|---|---|---|---|---|---|
n | 3 | 6 | 5 | 2 | 16 |
% | 18.75 | 37.5 | 31.25 | 12.5 | 100 |