Questionnaires at 1 year following randomisation
| Intervention | Standard care | Mean difference (95% CI) | P value | |
| SGRQ total score | 40.9 (27.1) n=53 | 40.9 (26.4) n=63 | −0.02 (−9.9 to 9.9) | 1.00 |
| Symptoms score | 41.7 (29.8) n=62 | 45.1 (31.8) n=67 | 3.4 (−7.4 to 14.2) | 0.52 |
| Activity score | 58.9 (31.2) n=57 | 58.2 (32.4) n=66 | −0.7 (−12.1 to 10.7) | 0.91 |
| Impacts score | 29.7 (28.1) n=58 | 28.6 (26.2) n=64 | −1.1 (−10.8 to 8.7) | 0.83 |
| PTSS-14 Score | 34.3 (19.8) n=60 | 38.8 (22.2) n=56 | 4.5 (−3.2 to 12.2) | 0.25 |
| MoCA-Blind Score* | 17.1 (3.9) n=59 | 17.9 (3.1) n=56 | 0.8 (−0.5 to 2.1) | 0.23 |
| Normal cognition† | 30 (50.0%) | 27 (48.2%) | 0.41 | |
| Mild cognitive impairment† | 20 (33.3%) | 23 (41.1%) | ||
| Moderate cognitive impairment† | 10 (16.7%) | 5 (8.9%) | ||
| Severe cognitive impairment† | 0 (0.0%) | 1 (1.8%) | ||
| EQ-5D-5L utility score | 0.56 (0.36) n=63 | 0.56 (0.34) n=67 | −0.004 (−0.13 to 0.12) | 0.95 |
| EQ-5D-5L VAS | 60.4 (23.6) n=66 | 66.8 (22.1) n=67 | 6.4 (−1.4 to 14.2) | 0.11 |
Data presented as mean (SD) and analysed using independent samples t-test.
*Maximum score of 22.
†MoCA-Blind and AD8 scores were converted to level of cognition and analysed using χ2.
EQ-5D-5L, EuroQol Five Dimension five level; MoCA, Montreal Cognitive Assessment; PTSS, Post-traumatic stress symptoms; SGRQ, St George’s Respiratory Questionnaire; VAS, visual analogue scale.