Fig. 1From: Aggregate index of systemic inflammation (AISI) in admission as a reliable predictor of mortality in COPD patients with COVID-19Receiver operating characteristics curve of COPD patients with COVID-19 for WBC, MLR, AISI, and SIRI. AISI: aggregate index of systemic inflammation, MLR: monocyte/lymphocyte ratio, SII: systemic inflammation index, SIRI: systemic inflammation response index, WBC: white blood cellBack to article page