Ascribed and achieved MET values during the stages of the MBWT
| Stage | Ascribed METs1 | Non-cardiac controls' METs Mean±SD | Post-MI patients' METs Mean±SD |
| 1 | 1.7 | 2.7±0.1 | 3.0±0.5 |
| 2 | 2.9 | 3.5±0.5 | 3.7±0.5 |
| 3 | 4.7 | 4.7±0.7 | 4.6±0.7 |
| 4 | 7.1 | 6.6±0.5 | 6.6±0.7 |
| 5 | 10.2 | 9.5±0.9 | 8.5±1.1* |
*Statistically significantly different from ascribed MET values at p<0.01.
MBWT, modified Bruce treadmill walking test; MET, metabolic equivalent; MI, myocardial infarction.