Table 2.
Illustration of classification and joint group analysis from GMM for control and intervention groups
| |
Latent class |
GMM analysis for control group |
GMM analysis for intervention group |
Joint group analysis of GMM |
|||
|---|---|---|---|---|---|---|---|
| # of subjects | Baseline measurement (mean ± SE) | # of subjects | Baseline measurement | Rate of change (P-value) | Difference in rate of change between two groups (P-value) | ||
| 10MWT |
Class 1 |
8 |
0.233 ± 0.050 m/s |
8 |
0.124 ± 0.024 m/s |
0.007 m/s/week |
0.009 |
| |
Class 2 |
12 |
0.829 ± 0.047 m/s |
12 |
0.838 ± 0.083 m/s |
0.033 m/s/week** |
0.029* |
| TUG |
Class 1 |
8 |
61.27 ± 9.16 s |
6 |
70.49 ± 14.56 s |
−3.35 s/week |
−4.55 |
| Class 2 |
12 |
14.67 ± 0.81 s |
12 |
15.04 ± 1.12 s |
−0.41 s/week** |
−0.32* |
|
| 6MWT |
Class 1 |
6 |
80.77 ± 18.33 m |
6 |
42.27 ± 9.21 m |
0.58 m/week |
0.79 |
| Class 2 | 12 | 245.66 ± 21.02 m | 12 | 279.40 ± 28.46 m | 1.60 m/week | 2.28 | |
*Indicates p < 0.05, ** ndicates p < 0.01.
Note that in the control group two subjects who could not perform the 6MWT evaluation belonged to Class 1 for 10MWT and TUG, while two subjects in the intervention group who could not perform the TUG or 6MWT evaluations belonged to Class 1 for 10MWT.