Table 2.

Comparison of the most common microorganisms causing catheter-associated urinary tract infections (CA-UTI) in patients with confirmed CA-UTI and admitted to the intensive care unit stratified into stratified into O blood and non-O blood groups.

Organism	O blood group n = 37	Non-O blood group n = 44
Candida	12 (32.4)	10 (22.7)
Escherichia coli	13 (35.1)	8 (18.2)
Klebsiella	12 (32.4)	6 (13.6)
Pseudomonas	4 (10.8)	6 (13.6)
Proteus	7 (18.9)	0 (0.0)
Acinetobacter	1 (2.7)	3 (6.8)
Serratia	1 (2.7)	1 (2.3)
Citrobacter	1 (2.7)	1 (2.3)

Data presented as n of patients (%) for each organism.