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Journal of Patient-Reported Outcomes

Table 3 Breakdown of mean TDIS total score by each PGIC score: End of double-blind KINECT3

From: The Tardive Dyskinesia Impact Scale (TDIS), a novel patient-reported outcome measure in tardive dyskinesia: development and psychometric validation

PGIC score

Number of patients

Total TDIS score, mean (SD)

Change from baseline to Week 6 in TDIS total score, mean (SD)

1

22

3.5 (4.31)

 − 7.68 (8.60)

2

44

11.09 (8.31)

 − 5.77 (7.04)

3

83

12.36 (8.63)

 − 3.90 (6.19)

4

46

12.13 (8.53)

 − 1.50 (5.78)

5

6

15.0 (6.57)

0.67 (6.77)

Total

201

11.14 (8.52)

 − 4.04 (6.86)

  1. PGIC Patient Global Impression of Change, SD Standard deviation, TDIS Tardive Dyskinesia Impact Scale
  2. PGIC rated on the following scale: 1 = very much improved, 2 = much improved, 3 = minimally improved, 4 = not changed, 5 = minimally worse, 6 = much worse, 7 = very much worse
  3. No patient reported a score of 6 (much worse) or 7 (very much worse)
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