Table 1 Mean [SD] perceived breathlessness, CBFv, oxygen uptake, and carbon dioxide production in WWI (condition a), CWI-R (b) and CWI-K (c); letters denote differences between the corresponding condition.
|  | CBFv (Δ%) | VO2 (mL.kg-1.min-1) | VCO2 (mL.kg-1.min-1) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Â | WWIa | CWI-Rb | CWI-Kc | WWIa | CWI-Rb | CWI-Kc | WWIa | CWI-Rb | CWI-Kc |
PRE | - | - | - | 387[96] | 407[58] | 405[90] | 335[80] | 377[75] | 365[87] |
1 MIN | 5[4]b | -6[9]a | -3[16] | 633[117]c | 671[129] | 692[137]a | 518[97]b,c | 837[253]a | 880[343]a |
2 MIN | 3[6]b | -6[9]a | 2[20] | 424[84]c | 437[94]c | 534[89]a,b | 375 [79]c | 482[212]c | 623[216]ab |
3 MIN | 3[4] | 1[10] | 3[16] | 390[76]bc | 432[84]ac | 537[79]a,b | 347 [76]c | 405[173]c | 497[133]ab |
4 MIN | 3[4] | 7[11] | 8 [21] | 359[66]bc | 436[101]ac | 543[84]a,b | 321[60]c | 368[135]c | 460[120]ab |
5 MIN | 5[6] | 7[10] | 4[17] | 362[72]bc | 454 [85]ac | 570[99]ab | 322[66]c | 372[108]c | 455[99]ab |