Table 3.

C-index of six indicators for OS in COVID-19 Omicron BA.2 infected patients.

		C-index(95%CI)
Indicators	5-day	10-day	15-day
dNLR	0.844 (0.734-0.954)	0.824 (0.743-0.905)	0.718 (0.637-0.799)
NLR	0.819 (0.704-0.933)	0.806 (0.719-0.892)	0.692 (0.609-0.775)
SII	0.844 (0.757-0.937)	0.823 (0.737-0.908)	0.684 (0.593-0.776)
SIRI	0.759 (0.645-0.873)	0.746 (0.655-0.837)	0.629 (0.535-0.722)
PLR	0.743 (0.623-0.863)	0.710 (0.609-0.811)	0.606 (0.517-0.695)
MLR	0.627 (0.488-0.766)	0.606 (0.496-0.716)	0.537 (0.448-0.626)

CI, confidence interval; dNLR, derived neutrophil to lymphocyte ratio; NLR, neutrophil to lymphocyte ratio; SII, systemic immune-inflammation index; SIRI, systemic inflammation response index; PLR, platelet to lymphocyte ratio; MLR, monocyte to lymphocyte ratio.