Comparison between children who had completed a memory test and children who had not had a memory test
| With memory test | Without memory test | p Value* | |
| Total children | N = 12 | N = 42 | |
| Male, N (%) | 4 (33%) | 13 (31%) | 0.88 |
| Female, N (%) | 8 (67%) | 29 (69%) | 0.88 |
| Fatigue, median (IQR) | 24.5 (21.5, 28.5, N = 12) | 24.5 (20, 28, N = 42) | 0.75 |
| SCAS anxiety, median (IQR) | 39.5 (18.5, 47.5, N = 12) | 31 (14, 45, N = 41) | 0.70 |
| Pain VAS, median (IQR) | 59 (35, 67, N = 11) | 52 (23, 74, N = 30) | 0.61 |
| SF-36, median (IQR) | 20.5 (18.5, 24, N = 12) | 20 (16, 25, N = 42) | 0.72 |
| Time at school (as % of possible total) Median (IQR) | 15% (0%, 60%, N = 10) | 40% (0%, 60%, N = 35) | 0.37 |
| Duration of illness (months), median (IQR) | 18 (12, 67, N = 11) | 26 (10, 60, N = 39) | 0.53 |
These children were new referrals to the clinical team between May 2007 and October 2007. *Two-tailed Mann–Whitney U-test. IQR, interquartile range; SCAS, Spence Children’s Anxiety Scale; SF-36, Short Form 36; VAS, visual analogue scale.