Table 2.
Top-ranked variables identified by both the LASSO and the random forest
| Variable | LASSO | Random forest | ||||
|---|---|---|---|---|---|---|
| Average rank | (Standard deviation) | Effect on odds ratio | Average rank | (Standard deviation) | ||
| K6A | Unsteady gait | 1.00 | (0.00) | + | 1.82 | (0.05) |
| H3 | ADL decline | 2.02 | (0.01) | + | 13.11 | (0.49) |
| K6B | Limits going outdoors due to fear of falling | 3.38 | (0.15) | + | 6.76 | (0.23) |
| J1X | Cancer (last 5 years) | 3.58 | (0.13) | - | 9.52 | (0.38) |
| H7A | Client believes can improve | 3.68 | (0.07) | + | 13.11 | (0.47) |
| K5 | Falls frequency | 4.59 | (0.16) | + | 4.26 | (0.07) |
| P2W | Nurse monitoring < daily | 8.75 | (0.26) | - | 11.53 | (0.38) |
| H4B | Mode of locomotion – outdoors | 9.49 | (0.11) | + | 1.24 | (0.04) |
| H5 | Stair climbing | 13.39 | (1.34) | + | 10.09 | (0.33) |
| H4A | Mode of locomotion – indoors | 14.30 | (0.45) | + | 2.96 | (0.03) |
| O2B | Better off in different environment | 17.26 | (0.29) | - | 13.37 | (0.52) |