Table 2.
Variable | Low MET value (<70 METh/week) | Middle MET value (>70 to 140 METh/week) | High MET value (>140 METh/week) | P‐value |
---|---|---|---|---|
CPET peakVO2 (ml/min/kg), mean (SD) | 16.2 (3.6) | 16.4 (3.6) | 16.5 (3.4) | 0.78 |
SF‐36 physical function score, mean (SD) | 59.6 (23.1) | 63.3 (21.5)a | 66.6 (20.7)a | 0.04 |
6 min walking test distance (m), mean (SD) | 512.5 (98.8) | 541.5 (85.2)a | 543.5 (64.0)a | 0.007 |
Echocardiography E/e′ ratio, mean (SD) | 13.1 (4.5) | 12.4 (3.3) | 13.1 (4.4) | 0.39 |
Left atrial volume index (mL/m2) | 28.1 (9.2) | 27.5 (7.8) | 29.2 (8.3) | 0.30 |
CPET, cardiopulmonary exercise testing; MET, metabolic equivalents of task; METh, MET hour; peakVO2, peak oxygen uptake; SD, standard deviation; SF‐36, 36‐item Short‐Form questionnaire.
Significant compared with low MET.