Table 3 Maximum likelihood estimates for the linear mixed model to estimate peak VO2 from 6-minute walk distance.
From: The six minute walk test accurately estimates mean peak oxygen uptake
Parameter | M-I: Random Intercept Estimate ± SEE | M-II: Random Coefficient Estimate ± SEE |
|---|---|---|
Fixed Component | Â | Â |
Intercept | 4.626 ± 0.516 | 4.948 ± 0.990 |
6-Minute Walk | 0.024 ± 0.001 | 0.023 ± 0.002 |
SEE(AVG) | 3.82 | 3.82 |
Random Component | Â | Â |
Intercept(SD) | 0.91 ± 0.25 | 2.80 ± 0.79 |
Slope(SD) |  | 0.01 ± >0.01 |
R(Slope, Intercept) |  | -0.94 ± 0.05 |
SEE(CON) | 3.73 ± 0.08 | 3.66 ± 0.08 |
Log likelihood | -2972.51 | -2964.69 |