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. 2009 Aug 28;18(9):1219–1237. doi: 10.1007/s11136-009-9530-y

Table 7.

Criterion variables #3 and #4

Total Patients with follow-up data Patients without follow-up data Wilcoxon P-value
N (%)
Mean (SD)
N = 96
N (%)
Mean (SD)
N = 58
N (%)
Mean (SD)
N = 38
Overall, during the last 6 months, how would you rate the severity of your Parkinson’s disease symptoms?
  No symptoms 1 (1.0) 1 (1.7) 0 (0.0) 0.13
  Mild symptoms 39 (40.6) 27 (46.6) 12 (31.6)
  Moderate symptoms 45 (46.9) 24 (41.4) 21 (55.3)
  Severe symptoms 11 (11.5) 6 (10.3) 5 (13.2)
PHQ-9 categories for planning and monitoring treatment
  May not need depression treatment (scores: 0–4) 37 (38.9) 25 (43.9) 12 (31.6) 0.11
  Based on clinical judgment about treatment on duration of symptoms and functional impairment (scores: 5–14) 47 (49.5) 28 (49.1) 19 (50.0)
  Warrants treatment for depression using antidepressant, psychotherapy, and/or a combination treatment approach (scores: 15–27) 11 (11.6) 4 (7.0) 7 (18.4)