Tofte SJ, Graeber M, Cherill R, Ornoto M, Thurston M, Hanifin JM. Eczema area and severity Index (EASI): A new tool to evaluate atopic dermatitis. Journal of the European Academy of Dermatology and Venereology. 1998; 11: S197.

Chopra R, Vakharia PP, Sacotte R, Patel N, Immaneni S, White T, Kantor R, Hsu DY, Silverberg JI. Severity strata for Eczema Area and Severity Index (EASI), modified EASI, Scoring Atopic Dermatitis (SCORAD), objective SCORAD, Atopic Dermatitis Severity Index and body surface area in adolescents and adults with atopic dermatitis. British Journal of Dermatology. 2017; 117: 1158-1159.

Bozek A, Reich AN. Assessment of Intra- and Inter-rater reliability of three methods for measuring Atopic Dermatitis Severity: EASI, Objective SCORAD, and IGA. Dermatology 2017; 233: 16-22.

Leshem YA, Hajar T, Hanifin JM, Simpson EL. What the Eczema Area and Severity Index Score tells us about the severity of atopic dermatitis: an interpretability study. British Journal of Dermatology 2015: 172; 1353-1357.

Zhao CY, Wijayanti A Doria MC, Harris AG, Jain SV, Legaspi KN, Dlova NC, Law MG, Murrell DF. The reliability and validity of outcome measures for atopic dermatitis in patients with pigmented skin: A grey area. International Journal of Women’s Dermatology 2015: 150-154.

Schmitt J, Langan S, Deckert S, Svensson A, Kobyletzki LV, Thomas K, Spuls P. Assessment of clinical signs of atopic dermatitis: A systematic review and recommendation. J Allergy Clin Immunol. 2013; 132 (6): 1337 – 1347.

Schram ME, Spuls PI, Leeflang MM, Lindeboom R, Bos JD, Schmitt J. EASI, (objective) SCORAD and POEM for atopic eczema: responsiveness and minimally clinically important difference. Allergy 2012; 67:99-106.

Rehal B, Armstrong A. Health Outcome Measures in Atopic Dermatitis: A systematic review of Trends in Disease Severity and Quality of Life Instruments 1985 - 2010. Plos One. 2011; 6(4); e17520.

Schmitt J, Langan S, Williams HC. What are the best outcome measurements. J Allergy Clin Immunol 2007: 120 (6): 1389-1398. 

Schmitt J, Spuls P, Thomas KS, Simpson E, Furue M. The Harmonising Outcome Measures for Eczema (HOME) statement to assess clinical signs of atopic eczema in trials. Journal of Allergy and Clinical Immunology 2014: 134(4):800-7. 

Hanifin JM, Thurston M, Ornoto M, Cherill R, Tofte SJ, Graeber M. The eczema area and severity index (EASI): assessment of reliability in atopic dermatitis. Exp Dermatol 2001: 10: 11-18. 

Barbier N, Paul C, Luger T, et al. Validation of the Eczema Area and Severity Index for atopic dermatitis in a cohort of 1550 patients from the pimecrolimus cream 1% randomized controlled clinical trials programme. Br J Dermatol. 2004;150(1):96-102.

Dr. Susan J. Tofte

var calc_output = [];

var h1 = parseFloat(h1);
var h2 = parseFloat(h2);
var h3 = parseFloat(h3);
var h4 = parseFloat(h4);
var hp = parseFloat(hp);
var hm = 0.1;

var easi_h = (h1 + h2 + h3 + h4)*hp*hm;

var u1 = parseFloat(u1);
var u2 = parseFloat(u2);
var u3 = parseFloat(u3);
var u4 = parseFloat(u4);
var up = parseFloat(up);
var um = 0.2;

var easi_u = (u1 + u2 + u3 + u4)*up*um;

var t1 = parseFloat(t1);
var t2 = parseFloat(t2);
var t3 = parseFloat(t3);
var t4 = parseFloat(t4);
var tp = parseFloat(tp);
var tm = 0.3;

var easi_t = (t1 + t2 + t3 + t4)*tp*tm;

var l1 = parseFloat(l1);
var l2 = parseFloat(l2);
var l3 = parseFloat(l3);
var l4 = parseFloat(l4);
var lp = parseFloat(lp);
var lm = 0.4;

var easi_l = (l1 + l2 + l3 + l4)*lp*lm;

var easi = easi_h + easi_u + easi_t + easi_l;

calc_output.push({
 name: 'mini',
 value: easi.toFixed(1),
 value_text: 'points',
 message: 'Total Eczema Area and Severity Index (EASI) Head/neck EASI: ' + easi_h.toFixed(1) + ' points Upper limbs EASI: ' + easi_u.toFixed(1) + ' points Trunk EASI: ' + easi_t.toFixed(1) + ' points Lower limbs EASI: ' + easi_l.toFixed(1) + ' points'
});
calc_output.push({
 name: 'EASI',
 value: easi.toFixed(1),
 value_text: 'points',
 message: 'Total Eczema Area and Severity Index (EASI) Head/neck EASI: ' + easi_h.toFixed(1) + ' points Upper limbs EASI: ' + easi_u.toFixed(1) + ' points Trunk EASI: ' + easi_t.toFixed(1) + ' points Lower limbs EASI: ' + easi_l.toFixed(1) + ' points'
});

Eczema Area and Severity Index (EASI)

Zhi Mei Low, MBBS

The Eczema Area and Severity Index (EASI) stratifies severity of eczema.

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Calc Function