Characteristics of children and young people aged 12 with CFS/ME who provided information on preassessment HADS inventory compared with those who did not provide information
| With HADS | Without HADS | Mean difference (95% CI) | p Value | |||
|---|---|---|---|---|---|---|
| N | N | |||||
| Age in years: mean (SD) | 542 | 14.8 (1.5) | 132 | 13.9 (1.6) | –0.84 (–1.13, –0.54) | <0.001 |
| Female sex (%) | 542 | 404 (74.5%) | 132 | 94 (71.2%) | Not applicable | 0.44 |
| School attendance less than 40% | 520 | 214 (41.2%) | 71 | 32 (45.1%) | Not applicable | 0.53 |
| Time to assessment (months): mean (SD) | 490 | 23.1 (25.5) | 120 | 27.1 (23.4) | 3.97 (–1.05, 8.99) | 0.12 |
| Disability (SF-36): mean (SD) | 520 | 51.0 (24.4) | 74 | 48.0 (3.1) | –3.07 (–9.10, 2.97) | 0.32 |
| Chalder Fatigue Score: mean (SD) | 526 | 24.9 (4.9) | 69 | 23.5 (5.1) | –1.33 (–2.56, –0.03) | 0.10 |
| SCAS: mean (SD) | 490 | 32.0 (18.2) | 69 | 27.5 (20.7) | –4.51 (–9.19,0.18) | 0.06 |
| Visual Analogue Pain: mean (SD) | 491 | 47.4 (28.5) | 66 | 48.7 (30.1) | 1.26 (–6.13, 8.66) | 0.74 |
CFS/ME, chronic fatigue syndrome/myalgic encephalomyelitis; HADS, Hospital Anxiety and Depression Scale; SCAS, Spence Children's Anxiety Scale; SF-36, 36-Item Short Form.