Table 2. Pearson correlation coefficient among the variables.

Variables		95% CI for mean	Pearson correlation coefficient	p -value
Abbreviations: CI, confidence interval; CRP, C-reactive protein; PCT, procalcitonin.
PCT trend	Nonsurvivor	0.0305 to 0.77	0.4	0.036
PCT trend	Survivor	– 0.964 to – 0.896	– 0.93	< 0.0001
CRP trend	Nonsurvivor	– 0.542 to 0.522	– 0.01	0.968
CRP trend	Survivor	– 0.961 to – 0.679	– 0.82	< 0.0001