Skip to main content

Table 5 Data completion for research outcomes

From: A pilot randomised controlled trial of a Telehealth intervention in patients with chronic obstructive pulmonary disease: challenges of clinician-led data collection

 

Standard

Telehealth

Total

Total randomised

31 (100%)

32 (100%)

63 (100%)

Consent

   

Valid consent

25 (80.6%)

28 (87.5%)

53 (84.1%)

Missing consent

6 (19.4%)

4 (12.5%)

10 (15.9%)

Dropped out

   

Prior to 8-week completion

0 (0.0%)

5 (15.6%)

5 (7.9%)

Prior to 8-month completion

1 (3.2%)

1 (3.1%)

2 (3.2%)

Intervention length

   

8 weeks

20 (64.5%)

20 (62.5%)

40 (63.5%)

Less than 8 weeks

0 (0.0%)

0 (0.0%)

0 (0.0%)

More than 8 weeks

5 (16.1%)

3 (9.4%)

8 (12.7%)

Baseline SGRQ

   

Valid

16 (51.6%)

14 (43.8%)*

30 (47.6%)

Invalid**

5 (16.1%)

3 (9.4%)

8 (12.7%)

Missing

4 (13.0%)

7 (21.9%)

11 (17.5%)

8-week SGRQ

   

Valid

11 (35.5%)

15 (46.9%)

26 (41.3%)

Invalid

2 (6.5%)

1 (3.1%)

3 (4.8%)

Missing

12 (38.7%)

7 (21.9%)

19 (30.2%)

6-month SGRQ

   

Valid

8 (25.8%)

5 (15.6%)

13 (20.6%)

Invalid

1 (3.2%)

1 (3.1%)

2 (3.2%)

Missing

5 (16.1%)

5 (15.6%)

10 (15.9%)

Had not reached time point by Jan12

10 (32.3%)

11 (34.4%)

21 (33.3%)

Participants with valid baseline & 8-week SGRQ data

9 (29.0%)

12 (37.5%)

21 (33.3%)

Participants with valid baseline, 8-week & 6-month SGRQ data

2 (6.5%)

2 (6.3%)

4 (6.3%)

  1. *One participant who dropped out completed the baseline SGRQ; **Not enough completed questions to generate a valid score.
  2. SGRQ, St. George’s Respiratory Questionnaire.