Table 1.
General characteristics of the study population.
| Population (n = 697) |
Group VT1 VT2 Not Reached (n = 389) |
Group VT2 VT2 Surpassed (n = 308) |
p-Value | |
|---|---|---|---|---|
| Age (years) | 57 [47–66] | 59 [49–67] | 54 [44–63] | <0.001 |
| BMI (kg/m2) | 27 [23–30] | 27 [24–31] | 26 [23–30] | <0.006 |
| VO2 peak (% PV) | 69 [57–83] | 64 [53–78] | 76 [64–88] | <0.001 |
| RER peak | 1.19 [1.13–1.26] | 1.16 [1.1–1.2] | 1.20 [1.17–1.28] | <0.001 |
| VT1-slope | 31 [27–35] | 32 [29–37] | 29 [25–33] | <0.001 |
| VT2-slope | - | - | 33 [29–37] | - |
| Full-slope | 37 [33–42] | 36 [33–42] | 37 [33–41] | <0.870 |
| VR (% MVV) | 59 [49–72] | 55 [47–67] | 64 [54–74] | <0.001 |
| Sex ratio M/F | 1.27 | 1.08 | 1.56 | 0.031 |
| LVEF (%) | 60 [60, 60] | 60 [58–60] | 60 [60, 60] | 0.55 |