Abstract
Inflammatory markers such as neutrophil-lymphocyte ratio (NLR) and eosinophil count are known prognostic indicators for SJS/TEN severity. This study explored the correlation of systemic immune-inflammatory index (SII), platelet-lymphocyte ratio (PLR) and NLR with SCORTEN and patient outcomes. A retrospective audit of 34 SJS/TEN patients (25 SJS, 3 SJS/TEN overlap, 6 TEN) was conducted from 2018 to 2022 revealed mean admission values of SII 1597 (standard deviation (SD) 1904.18), NLR 6.52 (SD 5.99) and PLR 201.74 (SD 135.01). Cut-off values for predicting mortality were SII 1238.25 (area under ROC (AUROC) 0.82), NLR 8.32 (AUROC 0.8) and PLR 284.66 (AUROC 0.78). Multiple logistic regression using a backward stepwise method identified SCORTEN as a significant factor associated with mortality (p=0.029) after adjusting for SII, NLR and PLR. None of the inflammatory markers significantly predicted mortality, although admission PLR may be a potential risk factor (p=0.053).
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