Research Article

Clinical and Epidemiological Features of Patients with Drug-Induced Stevens-Johnson Syndrome and Toxic Epidermal Necrolysis in Iran: Different Points of Children from Adults

Table 3

Relationship between each of the studied predictive factors with the length of hospitalization in patients using multiple logistic regression model.

PredictorsDays of hospitalization valueAdjusted OR95% CI for OR
≤8 (, 55.4%)>8 (, 44.6%)LowerUpper
%%

Season0.019
 Spring1323.21226.70.126.221.0321.532
 Summer1323.21328.90.054.151.0221.033
 Autumn2239.3920.00.002.026.003.265
 Winter814.31124.41
Culprit medication0.020
 Undetermined23.6511.10.091.057.0021.572
 Antibiotic2035.71635.60.074.149.0181.199
 Antiepileptic3053.61635.60.004.009.000.209
 Others47.1817.81
Reason for drug administration0.017
 Undetermined/no data11.8715.60.5042.829.13459.921
 Seizure1832.1613.30.3134.147.26165.910
 Infection2137.51737.80.7321.497.14915.060
 Psychiatry916.11124.40.00391.6674.7491769.412
 Others712.548.91
Diagnosis0.023
 SJS4580.43168.91
 SJS/TEN814.3920.00.0168.5941.50449.099
 TEN35.4511.10.0966.791.71264.748
SCORTEN0.071
 03358.91431.11
 11425.02044.40.0066.3221.68023.796
 2712.5920.00.0726.195.84945.226
 323.612.20.828.707.03115.967
 400.012.2>.999
Age group
 Pediatric (≤18y)2341.1817.80.014.141.029.678
 Adult (>18y)3358.93782.21

Variables removed from first multiple logistic regression model regarding stepwise (backward LR) model reductions: sex, place of life, admission site, and time (days) to the onset of adverse effects, Mucosal involvement, Number of mucosal sites involved, sites of the lesion, temperature, and treatment. Omnibus test of model coefficients: ; -2 Log likelihood: 86.764; Cox & Snell R Square: .403; Nagelkerke R Square: .539; Hosmer and Lemeshow Test: .