Table 2. Clinical characteristics of 435 bloodstream infection episodes.

Blood culture characteristics	Episodes	(%)
Unimicrobial	326	74.9
Polymicrobial	109	25.1
Transient	323	74.2
Persistent	112	25.8
Sources of infection
Primary infection	322	74
Unknown	230	71.4
Cvc-related	92	28.6
Secondary infection	113	26
Respiratory tract	39	34.5
Non-surgical skin abscess	18	15.9
Surgical site	17	15
Genitourinary tract	15	13.3
Intra-abdominal	07	6.2
Other*	17	15
Neutrophil evaluation
Cell counts
≤ 100/mm3	103	23.7
101 to 1000/mm3	77	17.7
> 1000 cells/mm3	255	58.6
Cell counts trend in the first 72 h
Rising	78	17.9
Decreasing	121	27.8
Stable	236	54.3
Platelets evaluation
Cell counts (cells/mm3)
> 100,000	235	54.0
20,000 to 99,000	127	29.2
< 20,000	73	16.8

CVC: Central Venous Catheter;

^*Tumor necrosis (n = 5), peri-rectal or anal region (n = 5), esophageal and gastrointestinal tract (n = 4), oropharynx (n = 3).