Table 2 Description of the outcome measures used in 20 randomised controlled trials and how they are scaled/scored
| Â | Outcome name | Trials | Score range | Correlations | Reference |
|---|---|---|---|---|---|
1 | B-IPQ | 1 | 0 to 10 | 2 | [28] |
2 | Back Pain VAS | 1 | 0 to 10 | 3 | [29] |
3 | Barthel score | 1 | 0 to 20 | 2 | [30] |
4 | BPRS | 1 | 0 to 126 | 2 | [31] |
5 | CORE Life functioning dimension | 1 | 0 to 4 | 3 | [32] |
6 | CORE Risk/harm dimension | 1 | 0 to 4 | 3 | Â |
7 | CORE Problems/symptoms dimension | 1 | 0 to 4 | 3 | Â |
8 | CORE Subjective well-being dimension | 1 | 0 to 4 | 3 | Â |
9 | CORE total score | 1 | 0 to 4 | 3 | Â |
10 | EORTC Appetite Loss | 1 | 0 to 100 | 4 | [33] |
11 | EORTC Cognitive Functioning | 1 | 0 to 100 | 4 | Â |
12 | EORTC Constipation | 1 | 0 to 100 | 4 | Â |
13 | EORTC Diarrhoea | 1 | 0 to 100 | 4 | Â |
14 | EORTC Dyspnoea | 1 | 0 to 100 | 4 | Â |
15 | EORTC Emotional Functioning | 1 | 0 to 100 | 4 | Â |
16 | EORTC Fatigue | 1 | 0 to 100 | 4 | Â |
17 | EORTC Financial Difficulties | 1 | 0 to 100 | 4 | Â |
18 | EORTC Insomnia | 1 | 0 to 100 | 4 | Â |
19 | EORTC Nausea | 1 | 0 to 100 | 4 | Â |
20 | EORTC Pain | 1 | 0 to 100 | 4 | Â |
21 | EORTC Physical Functioning | 1 | 0 to 100 | 4 | Â |
22 | EORTC QoL | 1 | 0 to 100 | 4 | Â |
23 | EORTC Role Functioning | 1 | 0 to 100 | 4 | Â |
24 | EORTC Social Functioning | 1 | 0 to 100 | 4 | Â |
25 | EPDS | 1 | 0 to 30 | 2 | [34] |
26 | EQ-5D Utility score | 12 | −0.56 to 1.00 | 29 | [35] |
27 | EQ-5D VAS | 8 | 0 to 100 | 21 | [36] |
28 | GSES | 2 | 10 to 40 | 3 | [37] |
29 | Leg Pain VAS | 1 | 0 to 10 | 3 | [29] |
30 | MFI General Fatigue | 1 | 4 to 20 | 1 | [38] |
31 | MFI Mental Fatigue | 1 | 4 to 20 | 1 | Â |
32 | MFI Physical Fatigue | 1 | 4 to 20 | 1 | Â |
33 | MFI Reduced Activity | 1 | 4 to 20 | 1 | Â |
34 | MFI Reduced Motivation | 1 | 4 to 20 | 1 | Â |
35 | ODI | 1 | 0 to 100 | 3 | [39] |
36 | ONS Well-Being | 1 | 0 to 40 | 1 | [40] |
37 | PHQ-9 | 4 | 0 to 27 | 6 | [41] |
38 | PISQ-31 Behaviour/Emotion | 1 | 0 to 61 | 1 | [42] |
39 | PISQ-31 Partner-Related Factor | 1 | 0 to 24 | 1 | Â |
40 | PISQ-31 Physical Factor | 1 | 0 to 40 | 1 | Â |
41 | PISQ-31 total score | 1 | 0 to 125 | 1 | Â |
42 | SF-36 General Health | 11 | 0 to 100 | 29 | [43] |
43 | SF-36 Mental Health | 11 | 1 to 100 | 29 | Â |
44 | SF-36 Pain | 11 | 1 to 100 | 29 | Â |
45 | SF-36 Physical Functioning | 11 | 1 to 100 | 29 | Â |
46 | SF-36 Role-Emotional | 11 | 1 to 100 | 29 | Â |
47 | SF-36 Role-Physical | 11 | 1 to 100 | 29 | Â |
48 | SF-36 Social Functioning | 11 | 1 to 100 | 29 | Â |
49 | SF-36 Vitality | 11 | 1 to 100 | 29 | Â |
50 | SF-36 Health Change | 1 | 1 to 100 | 2 | Â |
51 | SF-36 Mental Component Summary | 7 | NBS | 17 | [44] |
52 | SF-36 Physical Component Summary | 7 | NBS | 17 | Â |
53 | SF-6D | 4 | 0.29 to 1.00 | 14 | [45] |
54 | Sleep Apnoea QoL | 1 | 1 to 7 | 5 | [46] |
55 | SPADI Disability | 1 | 0 to 100 | 3 | [47] |
56 | SPADI Pain | 1 | 0 to 100 | 3 | Â |
57 | SPADI total score | 1 | 0 to 100 | 3 | Â |
58 | VAS Pain | 1 | 0 to 10 | 4 | [48] |
59 | WOMAC Pain | 1 | 0 to 20 | 1 | [49] |
60 | WOMAC Physical Function | 1 | 0 to 68 | 1 | Â |
61 | WOMAC Stiffness | 1 | 0 to 8 | 1 | Â |