| Normal value* | Stroke patients | Normal subjects | p Value | |
| PE max | ⩾80 | 50.9(13.6–152.8)(n = 11) | 120.8(69.7–182.7)(n = 15) | 0.0018 |
| VC Pgas | ⩾130 | 110.8(12.9–304.2)(n = 13) | 200.2(126.0–337.6)(n = 14) | 0.0039 |
| RC Pgas | Unknown | 198.4(45.3–334.9)(n = 11) | 168.6(115.5–376.6)(n = 12) | 0.8777 |
| Tw T10 Pgas | ⩾16 | 33.0(18.3–36.4)(n = 6) | 34.6(14.2–56.1)(n = 9) | 0.6070 |
*Normal values quoted are for males.