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Table 3 Reasons for study discontinuation for all ITT patients in the overall population

From: A double-blind, placebo-controlled comparator study of LY2140023 monohydrate in patients with schizophrenia

      

p-value

Variable

PBO N = 295 n (%)

LY40 N = 292 n (%)

LY80 N = 280 n (%)

RIS N = 142 n (%)

Total N = 1009 n (%)

Overall

LY40 vs. PBO

LY80 vs. PBO

RIS vs. PBO

Completed

171 (58.0)

143 (49.0)

129 (46.1)

96 (67.6)

539 (53.4)

<.001

0.032

0.005

0.059

Discontinued

         

 Adverse Event-Physician Decision

24 (8.1)

18 (6.2)

29 (10.4)

10 (7.0)

81 (8.0)

0.322

0.424

0.389

0.849

 Adverse Event-Subject Decision

9 (3.1)

6 (2.1)

7 (2.5)

2 (1.4)

24 (2.4)

0.770

0.603

0.802

0.515

 Entry Criteria Not Met

1 (0.3)

1 (0.3)

0 (0.0)

0 (0.0)

2 (0.2)

>.999

>.999

>.999

>.999

 Lost to follow up

9 (3.1)

4 (1.4)

6 (2.1)

3 (2.1)

22 (2.2)

0.576

0.262

0.604

0.759

 Perceived Lack of Efficacy-Physician Decision

39 (13.2)

56 (19.2)

57 (20.4)

7 (4.9)

159 (15.8)

<.001

0.057

0.025

0.007

 Perceived Lack of Efficacy-Subject Decision

9 (3.1)

14 (4.8)

12 (4.3)

3 (2.1)

38 (3.8)

0.499

0.296

0.508

0.759

 Protocol Violation

5 (1.7)

10 (3.4)

7 (2.5)

3 (2.1)

25 (2.5)

0.616

0.202

0.568

0.718

 Scheduling Conflict

1 (0.3)

1 (0.3)

0 (0.0)

0(0.0)

2 (0.2)

>.999

>.999

>.999

>.999

 Sponsor Decision

1 (0.3)

1 (0.3)

1 (0.4)

0 (0.0)

3 (0.3)

>.999

>.999

>.999

>.999

 Subject Decision-Consent Withdrawn

26 (8.8)

33 (11.3)

30 (10.7)

18 (12.7)

107 (10.6)

0.596

0.339

0.483

0.235

 Subject is Moving or has Moved

0 (0.0)

4 (1.4)

1 (0.4)

0 (0.0)

5 (0.5)

0.082

0.061

0.487

 

 Transportation Issues

0 (0.0)

1 (0.3)

1 (0.4)

0 (0.0)

2 (0.2)

0.668

0.497

0.487

 
  1. Abbreviations: ITT intent-to-treat, N/n number of patients.
  2. Groups: PBO = placebo; LY40 = LY2140023 monohydrate 40 mg; LY80 = LY2140023 monohydrate 80 mg; RIS = risperidone.
  3. Note: p-values are calculated from Fisher's exact test.