Clinical characteristics of the 29 study patients
| Patient | Age yrs | Sex | MV | VC % | PImax cmH2O | Pdimax cmH2O | TwPdi cmH2O | Lower-limb MMRC scale | Shoulder abduction degrees | Walton score |
| 1 | 46 | M | Y | 32 | 14 | NA | NA | 11.99 | 180 | 3 |
| 2 | 59 | F | Y | 37 | NA | NA | NA | 5.66 | 0 | 7 |
| 3 | 71 | M | Y | 39 | 13 | 0 | 0 | 9.32 | 60 | 3 |
| 4 | 58 | M | Y | 20 | 8 | 0 | 0 | NA | NA | 6 |
| 5 | 52 | M | Y | 29 | NA | NA | NA | 8.99 | 65 | 3 |
| 6 | 47 | M | Y | 36 | 18 | 21 | 3 | 6.49 | 110 | 3 |
| 7 | 58 | F | Y | 29 | 22 | NA | NA | 6.50 | 145 | 6 |
| 8 | 55 | M | Y | 46 | 32 | 8 | 2 | 9.16 | 180 | 4 |
| 9 | 74 | F | Y | 64 | 32 | 4 | <1 | 8.16 | 90 | 6 |
| 10 | 60 | F | Y | 33 | 19 | 10 | 2 | 4.00 | 30 | 8 |
| 11 | 60 | M | Y | 54 | 20 | 0 | 0 | 9.32 | 145 | 3 |
| 12 | 71 | F | Y | 43 | 18 | NA | NA | 8.17 | 155 | 3 |
| 13 | 42 | M | Y | 46 | 20 | 1 | 0 | 8.00 | 100 | 3 |
| 14 | 27 | F | Y | 13 | 8 | 12 | 2 | 5.32 | 65 | 8 |
| 15 | 57 | M | Y | 60 | 43 | 38 | 7 | 9.50 | 165 | 3 |
| 16 | 57 | F | Y | 47 | 18 | NA | NA | 6.66 | NA | 7 |
| 17 | 38 | F | N | 57 | 36 | 35 | 9 | 8.16 | 180 | 3 |
| 18 | 53 | F | N | 86 | 69 | 90 | 25 | 8.34 | 180 | 3 |
| 19 | 55 | F | N | 115 | NA | NA | NA | 11.00 | 180 | 3 |
| 20 | 37 | M | N | 45 | 50 | 40 | 7 | 8.33 | 100 | 3 |
| 21 | 58 | F | N | 64 | NA | NA | NA | 8.99 | 180 | 4 |
| 22 | 74 | F | N | 58 | 31 | 21 | 3 | 10.16 | 180 | 3 |
| 23 | 50 | F | N | 101 | NA | NA | NA | 9.83 | 180 | 3 |
| 24 | 41 | F | N | 81 | NA | NA | NA | 10.66 | 180 | 3 |
| 25 | 62 | F | N | 96 | NA | NA | NA | 8.33 | 110 | 3 |
| 26 | 60 | F | N | 69 | NA | NA | NA | NA | 180 | 3 |
| 27 | 67 | F | N | 72 | NA | NA | NA | 9.33 | 100 | 3 |
| 28 | 47 | M | N | 95 | 47 | 45 | 8 | NA | 140 | 3 |
| 29 | 51 | F | N | 87 | 61 | 61 | 25 | 5.55 | 90 | 4 |
M: male; F: female; Y: yes; N: no; MV: mechanical ventilation; VC: vital capacity; PImax: maximal inspiratory pressure; Pdimax: maximal transdiaphragmatic pressure; TwPdi: twitch transdiaphragmatic pressure; MMRC: Modified Medical Research Council; NA: not available.