Journal of the European Academy of Dermatology and Venereology : JEADV · 2011
Moderate correlation between quality of life and disease activity in adult patients with atopic dermatitis.
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Haeck I M, ten Berge O, van Velsen S G A, de Bruin-Weller M S, Bruijnzeel-Koomen C A F M, Knol M J
Аннотация
BACKGROUND: Studies assessing the relationship between disease activity and quality of life (QoL) in adults with atopic dermatitis (AD), before and after therapy are lacking. The relation between disease activity and QoL in AD patients was evaluated before (t = 0) and after 6 weeks (t = 6) of treatment with cyclosporin 5 mg/kg.
METHODS: In 54 patients with severe AD, disease activity was assessed using objective Scoring Atopic Dermatitis index (SCORAD), Six Area Six Sign Atopic Dermatitis (SASSAD), 'rule of nines' extent score and serum levels of thymus and activation-regulated chemokine (TARC). Patients filled out the Dermatology Life Quality Index (DLQI). To study the relation between disease activity and QoL, correlations were calculated and regression analysis was performed.
RESULTS: At t = 0 there was a small, non-significant correlation between the DLQI and the objective SCORAD, 'rule of nines' or serum TARC levels. At t = 6 the objective SCORAD, serum TARC and the 'rule of nines' score showed moderate and significant correlations with the DLQI (r = 0.34, P = 0.02; r = 0.31, P = 0.03; r = 0.49, P < 0.001). An individual's improvement in disease activity (objective SCORAD, SASSAD and 'rule of nines') with 10 points was associated with an improvement of 1.3, 1.5 and 1.1 points respectively in DLQI.
CONCLUSIONS: Disease activity correlated better with QoL when disease activity was less severe and disease extent ('rule of nines') correlated better with QoL than disease severity. An individual's improvement of 10 points in disease activity was accompanied by only a small improvement in QoL. Other factors than disease activity may influence QoL in patients with AD.
METHODS: In 54 patients with severe AD, disease activity was assessed using objective Scoring Atopic Dermatitis index (SCORAD), Six Area Six Sign Atopic Dermatitis (SASSAD), 'rule of nines' extent score and serum levels of thymus and activation-regulated chemokine (TARC). Patients filled out the Dermatology Life Quality Index (DLQI). To study the relation between disease activity and QoL, correlations were calculated and regression analysis was performed.
RESULTS: At t = 0 there was a small, non-significant correlation between the DLQI and the objective SCORAD, 'rule of nines' or serum TARC levels. At t = 6 the objective SCORAD, serum TARC and the 'rule of nines' score showed moderate and significant correlations with the DLQI (r = 0.34, P = 0.02; r = 0.31, P = 0.03; r = 0.49, P < 0.001). An individual's improvement in disease activity (objective SCORAD, SASSAD and 'rule of nines') with 10 points was associated with an improvement of 1.3, 1.5 and 1.1 points respectively in DLQI.
CONCLUSIONS: Disease activity correlated better with QoL when disease activity was less severe and disease extent ('rule of nines') correlated better with QoL than disease severity. An individual's improvement of 10 points in disease activity was accompanied by only a small improvement in QoL. Other factors than disease activity may influence QoL in patients with AD.