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.