Research Article

The Combination of Serum Total IgE and Blood Eosinophil Levels as a Predictor of Response to Phototherapy Treatment in Patients with Atopic Dermatitis

Table 1

Comparison of demographics, clinical characteristics, and duration of phototherapy between AD patients who responded to treatment and those who did not respond.

NonrespondersRespondersTotal value

Age (years)Valid N5131820.174
Mean (SD)44.4 (25.2)36.0 (19.8)41.2 (23.6)
Median [IQR]44.0 [20.0–65.0]30.0 [19.0–53.0]32.5 [20.0–62.0]
[Min–Max][6.0–91.0][16.0–83.0][6.0–91.0]

SexMale34 (66.7%)18 (58.1%)52 (63.4%)0.433
Female17 (33.3%)13 (41.9%)30 (36.6%)

Improvement in pruritusYes14 (27.5%)30 (96.8%)44 (53.7%)<0.001
No37 (72.5%)1 (3.2%)38 (46.3%)

Hospitalization (days)Valid N5131820.217
Mean (SD)9.3 (5.5)7.6 (3.9)8.7 (5.0)
Median [IQR]8.0 [5.0–12.0]7.0 [5.0–9.0]7.5 [5.0–11.0]
[Min–Max][2.0–24.0][2.0–18.0][2.0–24.0]

Phototherapy course duration (weeks)Valid N5131820.081
Mean (SD)12.3 (10.1)8.7 (8.0)10.9 (9.4)
Median [IQR]10.0 [5.0–14.0]7.0 [3.0–12.0]8.5 [4.0–12.0]
[Min–Max][1.0–52.0][1.0–40.0][1.0–52.0]

Full/partial courseFull32 (62.7%)16 (51.6%)48 (58.5%)0.321
Partial19 (37.3%)15 (48.4%)34 (41.5%)

Systemic treatmentNo28 (54.9%)29 (93.5%)57 (69.5%)<0.001
Yes23 (45.1%)2 (6.5%)25 (30.5%)

Atopic backgroundNo21 (41.2%)9 (29.0%)30 (36.6%)0.268
Yes30 (58.8%)22 (71.0%)52 (63.4%)

SD, standard deviation; IQR, interquartile range; Min, minimum; Max, maximum. P value <0.05 is considered significant.