Table 3. Microbiological analysis between severe pneumonia patients with and without ARDS development.

Parameters	SP with ARDS development (n=43) [n (%)]	SP without ARDS development (n=114) [n (%)]	P
Sputum culture
Bacteria
Acinetobacter bauman	24 (60.0)	62 (56.4)	0.690
Pseudomonas aeruginosa	5 (12.5)	19 (17.3)	0.481
Klebsiella pneumoniae	2 (5.0)	9 (8.2)	0.728
Burkholderia cepacia	2 (5.0)	7 (6.4)	1.000
Stenotrophomonas maltophilia	4 (10.0)	6 (5.5)	0.458
Enterobacter cloacae	3 (7.5)	5 (4.5)	0.440
Serratia marcescens	2 (5.0)	2 (1.8)	0.289
Escherichia coli	0 (0.0)	4 (3.6)	0.574
Haemophilus influenzae	0 (0.0)	2 (1.8)	1.000
Bacillus mirabilis	0 (0.0)	2 (1.8)	1.000
Staphylococcus aureus	0 (0.0)	5 (4.5)	0.325
Fungi
Candida albicans	8 (25.0)	33 (38.4)	0.175
Oidium tropioale	1 (3.1)	9 (10.5)	0.283
Candida glabrata	1 (3.1)	4 (4.7)	1.000
Candida krusei	0 (0.0)	3 (3.5)	0.562
Candida parapsilosis	0 (0.0)	1 (1.2)	1.000
Aspergillus fumigatus	2 (4.9)	3 (2.7)	0.613
Blood culture
Bacteria
Staphylococcus aureus	0 (0.0)	0 (0.0)	–
Acinetobacter bauman	3 (8.3)	11 (12.5)	0.756
Escherichia coli	0 (0.0)	1 (1.1)	1.000
Burkholderia cepacia	0 (0.0)	1 (1.1)	1.000
Enterococcus faecium	0 (0.0)	1 (1.1)	1.000
Pseudomonas aeruginosa	0 (0.0)	1 (1.1)	1.000
Urine culture
Bacteria
Escherichia coli	1 (10.0)	2 (4.9)	0.488
Klebsiella pneumoniae	1 (10.0)	2 (4.9)	0.488
Acinetobacter bauman	0 (0.0)	3 (7.3)	1.000
Enterococcus faecium	0 (0.0)	3 (7.3)	1.000
Fungi
Oidium tropioale	0 (0.0)	1 (2.6)	1.000
Candida glabrata	1 (11.1)	2 (5.1)	0.472
Candida albicans	0 (0.0)	7 (17.9)	0.320
Serum viral IgM
Herpes simplex virus	6 (17.1)	12 (15.2)	0.792
Cytomegalovirus	1 (2.9)	2 (2.5)	1.000
Epstein-Barr virus	3 (16.7)	7 (10.8)	0.446

ARDS, acute respiratory distress syndrome; SP, severe pneumonia.