Table 4.
Changes in UPDRS I and MMSE scores.
| Score (Range) | Measures | Preoperative | One Year | Δ Change | ^ p |
|---|---|---|---|---|---|
| UPDRS I (2–16) | Mean ± SD | 1.7 ± 1.2 | 1.9 ± 1.3 | 0.2 ± 0.7 | ^ 0.059 |
| Median (IQR) | 2.0 (1.0–2.8) | 2.0 (1.0–3.0) | 0.0 (0.0–0.8) | ||
| Range | 0.0–4.0 | 0.0–4.0 | 0.0–2.0 | ||
| MMSE (0–30) | Mean ± SD | 29.2±1.0 | 28.9 ± 1.3 | −0.3 ± 1.1 | # 0.249 |
| Median (IQR) | 29.0 (29.0–30.0) | 29.0 (28.0–30.0) | 0.0 (−1.0–0.0) | ||
| Range | 27.0–30.0 | 25.0–30.0 | −4.0–2.0 |
Total = 20, Δ Change from before to after (negative values indicate a reduction); IQR interquartile range; p probability (p-value); MMSE Mini Mental Status Exam; SD standard deviation; UPDRS Unified Parkinson’s Disease Rating Scale; ^ Wilcoxon Signed Ranks Test, # Paired t-test.