PROGNOSTIC ROLE OF INFLAMMATORY INDICES IN RISK CLASSIFICATION OF PATIENTS WITH COVID-19

Year 2022, Volume: 5 Issue: 3, 179 - 185, 16.11.2022

Maide Hacer Alagöz , Ayşe Enise Göker , Evin Ademoğlu

https://doi.org/10.26650/JARHS2022-1135192

Abstract

Objective: The Covid-19 pandemic has revealed the importance of an evidence-based efficient triage system in the early identification of highrisk patients and the rational use of limited medical resources for reducing mortality. The aim of this study was to evaluate the role of various inflammatory indices that can be easily calculated using readily accessible, inexpensive routine test parameters in risk stratification and prediction of prognosis in patients with Covid-19. Material and Methods: The study was carried out retrospectively with the data of 8036 patients with Covid-19, who were grouped according to their prognosis in outpatient and inpatient follow-ups, and inpatients as survivors and death. Using the complete blood count and C-reactive protein baseline results of the patients at admission, neutrophillymphocyte ratio (NLR), platelet-lymphocyte ratio (PLR), monocytelymphocyte ratio (MLR), MVP-platelet ratio (MPR), platelet mass index (PMI), systemic immune-inflammatory index (SII), systemic inflammatory response index (SIRI), and multi-inflammatory indices (MII) were calculated. Results: Our results demonstrate that almost all of the inflammatory indices were significantly different in severe patients and in patients with high mortality risk, but not all of them had a predictive value. It has been seen that the most effective factors in determining the disease severity at the onset of Covid-19 are SIRI and age, and SII, MII-1 and MII-3 may also contribute to this prediction. Our results have also revealed that NLR is the most effective independent factor to predict mortality both at disease onset and for inpatients. Conclusion: Inflammatory indices, especially SIRI, NLR, SII, MII-1 and MII-3 can substantially contribute to clinical decisions in the early identification of high-risk patients and predicting mortality beginning from the onset of Covid-19.

Keywords

Inflammatory indices, platelet mass index (PMI), systemic immune-inflammatory index (SII), systemic inflammatory response index (SIRI), multi-inflammatory index (MII)

COVİD-19 HASTALARININ RİSK SINIFLAMASINDA ENFLAMATUVAR İNDEKSLERİN PROGNOSTİK ROLÜ

Abstract

Amaç: Pandemi süreci Covid-19’la etkin mücadele etmek, sınırlı hastane ve yoğun bakım kaynaklarının rasyonel kullanımı için yüksek riskli vakaların erkenden belirlenmesinde kanıta dayalı etkin bir triyaj sisteminin gerekliliğini ortaya koymuştur. Bu amaçla çalışmamızda Covid-19 tanısı konmuş hastalarda kolay ulaşılabilen, hızlı ve ucuz test parametreleri kullanılarak kolayca hesaplanabilen çeşitli enflamatuvar indeksler değerlendirilerek risk sınıflaması ve prognoz öngörüsündeki katkıları araştırılmıştır. Gereç-Yöntem:Çalışma, hastaların prognozlarına göre ayaktan ve yatarak takip edilenler, yatarak takip edilenlerin de sağ kalanlar ve vefat edenler şeklinde gruplandırıldığı toplam 8036 Covid-19 tanısı konulmuş hasta verisinde yürütülmüştür. Hastaların ilk başvuru sırasındaki tam kan sayımı ve C-reaktif protein sonuçları kullanılarak nötrofil-lenfosit oranı (NLR), platelet-lenfosit oranı (PLR), monosit-lenfosit oranı (MLR), MVP-platelet oranı (MPR), platelet kütle indeksi (PMI), sistemik immün-enflamatuvar indeksi (SII), sistemik enflamatuvar yanıt indeksi (SIRI), multi-enflamatuvar indeksler (MII) hesaplanmıştır. Bulgular: Enflamatuvar indekslerin hemen hepsinin hastalık şiddeti ve mortalite riski yüksek hastalarda anlamlı olarak farklı olduğunu ancak, hepsinin prediktif değere sahip olmadığını göstermiştir. Covid-19 başlangıcında hastalık şiddetinin belirlenmesinde en etkili faktörün SIRI ve yaş olduğu SII, MII-1 ve MII-3’ün de bu öngörüye katkı sağlayabileceği, NLR’nin ise hem hastalık başlanıcında hem de hastane içi mortalitenin öngörülmesinde en etkili bağımsız faktör olduğu saptanmıştır. Sonuç: Enflamatuvar indeksler özellikle SIRI, NLR, SII, MII-1 ve MII-3Covid- 19’da hastalığın başlangıcından itibaren yüksek riskli bireylerin erken saptanmasında ve mortalite öngörüsünde klinik kararlara önemli katkılar sağlayabilir.

Keywords

Covid-19, Enflamatuvar indeksler, platelet kütle indeksi (PMI), sistemik immün-enflamatuvar indeksi (SII), sistemik enflamatuvar yanıt indeksi (SIRI)

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