TABLE 3.

Comparison of scores across the mild and moderate levels of disease severity.

Variable	Mean rank, mild, n = 54	Mean rank, moderate, n = 10	p	ES, Cohen’s d	Interpretation
JAMAR HRQoL total	28.92	51.85	< 0.001*	1.72	Large
PedsQL total	28.19	55.75	< 0.001*	1.87	Large
EQ-5D-Y VAS	34.46	21.9	0.047*	0.72	Medium
EQ-5D-Y latent value	35.19	17.95	0.006*	1.46	Large

Interpretation of Cohen’s d: small effect (0.2), medium effect (0.5) and large effect (0.8) (http://rpsychologist.com/d3/cohend/).

HRQoL, Health-Related Quality of Life; JAMAR, Juvenile Arthritis Multidimensional Assessment Report; EQ-5D-Y, EuroQol five-dimensional youth questionnaire; PedsQL, Paediatric Quality of Life Inventory; VAS, Visual Analogue Scale.

^*, Statistically significant (p < 0.05).