Table 3.

Risk factors associated with the length of hospital stay.

Items	P-value	OR	95% CI
Age	<0.001	1.365	0.164–0.459
N% at discharge	0.002	0.895	−0.179 to -0.043
Days before hospitalization	<0.001	0.696	−0.558 to -0.168
Antibiotic treatment	<0.001	0.001	−11.307 to -3.883
WBC count at admission	0.001	0.251	−2.148 to -0.618
Albumin at admission	0.002	0.618	−0.787 to -0.177

CI: Confidence interval; N%: Neutrophil fraction; OR: Odds ratio; WBC: White blood cell.