Elevated Plasma Stromal-Cell-Derived Factor-1 Protein Levels Correlate with Severity in Patients with Community-Acquired Pneumonia

Table 2

Association of white blood cells (WBCs), C-reactive protein (CRP), and SDF-1 with clinical pathological features.

Variable	WBC ()		CRP ()		SDF-1 ()
		value		value		value
PSI score	0.005	0.972	−0.046	0.726	0.389	0.002
CURB-65 score	0.054	0.677	−0.040	0.758	0.449	<0.001
APACHE II score	0.063	0.630	0.032	0.804	0.363	0.004
Length of hospital stay	−0.044	0.736	0.086	0.183	0.183	0.157
WBC	—	—	0.130	0.319	0.241	0.061
Neutrophils	0.975	<0.001	0.138	0.289	0.247	0.055
Lymphocytes	0.251	0.051	−0.092	0.481	−0.001	0.993
Monocytes	0.672	<0.001	0.022	0.869	−0.012	0.924
Platelets	0.190	0.142	0.083	0.524	−0.008	0.954
CRP	0.130	0.319	—	—	0.082	0.528

PSI: Pneumonia Severity Index; APACHE II: Acute Physiology and Chronic Health Evaluation II.