Predictive value of thrombocytopenia for bloodstream infection in patients with sepsis and septic shock

Table 1 Patient characteristics n (%)

Characteristic	All patients (n =218)	Blood culture results		P value
		Negative or contamination (n = 133)	Positive with pathogen (n = 85)
Age (yr)	63 (53–73)	64 (53–73)	62 (52–70)	0.253
Sex (male/female)	218 (122/96)	133 (81/52)	85 (41/44)	0.066
Comorbidities
Hypertension	79 (36.2)	50 (37.6)	29 (34.1)	0.603
Diabetes	49 (22.5)	29 (21.8)	20 (23.5)	0.766
Cardiovascular disease	23 (10.6)	17 (12.8)	6 (7.1)	0.18
COPD	16 (7.3)	13 (9.8)	3 (3.5)	0.085
Cerebrovascular disease	34 (15.6)	26 (19.5)	8 (9.4)	0.044
Primary diagnosis for cultures
Respiratory	101 (46.3)	81 (60.9)	20 (23.5)	< 0.001
Intestinal	50 (22.9)	28 (21.1)	22 (25.9)	0.408
Urogenital	33 (15.1)	12 (9.0)	21 (24.7)	0.002
Hepatobiliary	21 (9.6)	6 (4.5)	15 (17.6)	0.001
Skin/soft tissue	5 (2.3)	3 (2.3)	2 (2.4)	1.0
Other	8 (3.7)	3 (2.3)	5 (5.9)	0.308
APACHE II	20 (14-25)	19 (14-25)	20 (14-27)	0.533
Mechanical ventilation (yes/no)	218 (156/62)	133 (100/33)	85 (56/29)	0.137
Renal replacement (yes/no)	218 (29/189)	133 (13/120)	85 (16/69)	0.055
28-d mortality	81 (37.2)	46 (34.6)	35 (41.2)	0.326

COPD: Chronic obstructive pulmonary disease; APACHE: Acute physiology and chronic health.