Early Prediction of Disease Progression in Patients with Severe COVID-19 Using C-Reactive Protein to Albumin Ratio

Table 3

Correlations among new serological indicators, disease severity scores, and length of hospital stay in survivors.

	Statistics	SOFA score	CURB-65 score	Length of stay of survivors
NLR		0.437	0.434	0.421
		<0.001	<0.001	<0.001
PLR		0.157	0.185	0.281
		0.001	<0.001	<0.001
PNI		-0.280	-0.290	-0.421
		<0.001	<0.001	<0.001
SII		0.232	0.310	0.344
		<0.001	<0.001	<0.001
CRP/Alb ratio		0.661	0.415	0.552
		<0.001	<0.001	<0.001

Correlations between variables were analyzed with Spearman’s coefficients. Abbreviations: NLR: neutrophil-lymphocyte ratio; PLR: platelet-lymphocyte ratio; PNI: prognostic nutritional index; SII: systemic immune-inflammation index; CRP: C-reactive protein; Alb: albumin; SOFA score: Sequential Organ Failure Assessment score.