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Table 3 Main outcome measures of the study and data completion by study arm and interview

From: Randomised controlled trial of a new palliative care service: Compliance, recruitment and completeness of follow-up

Questionnaire

Multiple Sclerosis Impact Scale (MSIS)

Palliative Care Outcome Scale (POS)

POS-MS symptoms (POS-MS)

Number of items

29

8

18

Nature of questions

Impact of symptoms on day to day life in last 2 weeks graded 1 (no problem) to 5 (worst problem)

Effect of the problem in the last 3 days graded 0 (no problem) to 4 (overwhelming effect)

Effect of symptom in the last 3 days graded 0 (no problem) to 4 (overwhelming effect)

Study arm

Fast track

Standard

Fast track

Standard

Fast track

Standard

Interview 1 (baseline)

      

Questionnaires returned/Initial patients entered in study arm (%)

25/26 (96%)

24/26 (92%)

25/26 (96%)

21/26 (81%)

26/26 (100%)

24/26 (92%)

Reasons for non completion

      

Patient too disabled to self-report*

-

1

-

1

-

1

Questionnaire missed at interview **

1

1

1

4

-

1

N questionnaires with every item completed +

18

12

18

15

23

21

Interview 2 (4–6 weeks)

      

Questionnaires returned/Initial patients entered in study arm (%)

23/26 (88%)

21/26 (81%)

22/26 (85%)

21/26 (81%)

24/26 (92%)

22/26 (85%)

Reasons for non completion

      

Patient died

-

1

-

1

-

1

Patient withdrawn from study

-

1

-

1

-

1

Interview missed ***

1

1

1

1

1

1

Patient too disabled to self report*

-

1

-

1

-

1

Questionnaire missed in interview **

2

1

3

1

1

-

N questionnaires with every item completed +

19

11

17

20

21

18

Interview 3 (10–12 weeks)

      

Questionnaires returned/Initial patients entered in study arm (%)

26/26 (100%)

23/26 (88%)

26/26 (100%)

22/26 (85%)

26/26 (100%)

23/26 (88%)

Reasons for non completion

      

Patient died

-

1

-

1

-

1

Patient withdrawn from study

-

1

-

1

-

1

Patient too disabled to self-report*

-

1

-

1

-

1

Questionnaire missed in interview **

-

-

-

1

-

-

N questionnaires with every item completed +

26

19

26

19

24

19

  1. * One patient randomized to standard care was too disabled to complete any self-report questionnaire, at any interview
  2. ** The completion of some questionnaires were completed missed at interview with no questions being attempted, although the interview took place and some other questionnaires were completed.
  3. *** One interview was missed because the patient was not available during the interview period and one was missed because of a timing error.
  4. + Especially early in the study some single items within questionnaires were not completed. In the MSIS, questions with most missing data were 'difficulty carrying things' and 'problems using transport'. In the POS, this was 'feeling good about yourself'. Otherwise there was little pattern in missing data according to specific items.