Table 1.

Epidemiology of microbiological documented associated infections.

Aetiological Agents	Microbiological Sample *			Cases **, N
	Sputum	Urine	Blood
Gram-positive bacteria				33
S. aureus				11
Coagulase-negative staphylococci				8
Streptococcus spp.				5
Streptococcus pneumoniae				5
Enterococcus spp.				4
Fungi				17
Candida spp.				16
Aspergillus spp.				1
Gram-negative bacteria				75
K. pneumoniae				26
E. coli				25
P. aeruginosa				4
H. influenzae				4
A. baumannii				3
S. maltophilia				3
Serratia spp.				2
Hafnia paralvei				2
Sphingomonas paucimobilis				2
K. oxytoca				1
Enterobacter cloacae				1
P. fluorescens				1
Proteus mirabilis				1

* The microbiological samples are marked by colour (blue for positive sputum samples, green for positive urine samples and red for positive blood samples), ** Multiple positive samples were identified per patient, and multiple pathological agents were identified per sample.