Table 5.
Results of the reliable change index comparisons
| Parameter | PD‐DBS vs. PD‐BMT | PD‐DBS vs. MCI | PD‐DBS vs. healthy control | n Total | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| |d ppc2| | ⇓ | ⇔ | ⇑ | |d ppc2| | ⇓ | ⇑ | ⇑ | |d ppc2| | ⇓ | ⇔ | ⇑ | ||
| Depressive Symptoms (BDI‐II) | .000 | 38.10 (n = 8) | 19.05 (n = 4) | 42.86 (n = 9) | .067 | 38.10 (n = 8) | 19.05 (n = 4) | 42.86 (n = 9) | .064 | 38.10 (n = 8) | 19.05 (n = 4) | 42.86 (n = 9) | 21 |
| Physical Health Summary (SF‐36) | .920 | 22.22 (n = 4) | 33.33 (n = 6) | 44.44 (n = 8) | .696 | 22.22 (n = 4) | 38.89 (n = 7) | 38.89 (n = 7) | .580 | 22.22 (n = 4) | 38.89 (n = 7) | 38.89 (n = 7) | 18 |
| Mental Health Summary (SF‐36) | .262 | 50.00 (n = 9) | .00 (n = 0) | 50.00 (n = 9) | .057 | 50.00 (n = 9) | 5.56 (n = 1) | 44.44 (n = 8) | .000 | 50.00 (n = 9) | 5.56 (n = 1) | 44.44 (n = 8) | 18 |
| Activities of Daily Living (B‐ADL) | .603 | 10.00 (n = 2) | 80.00 (n = 16) | 10.00 (n = 2) | .613 | 10.00 (n = 2) | 70.00 (n = 14) | 20.00 (n = 4) | .313 | 40.00 (n = 8) | 30.00 (n = 6) | 30.00 (n = 6) | 20 |
| Subjective Memory Functioning (FAI) | .147 | 14.29 (n = 3) | 76.19 (n = 16) | 9.52 (n = 2) | .114 | .00 (n = 0) | 90.48 (n = 19) | 9.52 (n = 2) | .346 | .00 (n = 0) | 90.48 (n = 19) | 9.52 (n = 2) | 21 |
Abbreviations: B‐ADL, Bayer Activities of Daily Living Scale; BDI‐II, Beck Depression Inventory; d ppc2, effect size Cohen d pretest‐posttest design; FAI, Forgetfulness Assessment Inventory; MCI, mild cognitive impairment group; PD‐BMT, best medically treated Parkinson disease group; PD‐DBS, Parkinson disease patients with deep brain stimulation; SF‐36, Short Form (36) Health Survey; ⇓, deterioration in %; ⇔, no changes in %; ⇑, improvement in %.