Table 5.

Nosocomial Infections According to Immune Status Category.

Variable	Immune Competent Without Lymphopenia (n = 134)	Immune Competent With Lymphopenia (n = 79)	Immunocompromised (n = 27)
Patients with 1 or more infections, No. (%)	37 (28)	37 (47)	7 (26)
Total No. of infections	58	62	10
Site of infection, No. (%)a
Lower respiratory	42 (72)	34 (55)	1 (10)
Upper respiratory	0 (0)	2 (3)	0 (0)
Urinary tract	8 (14)	6 (10)	3 (30)
Skin or soft tissue	3 (5)	9 (15)	0 (0)
Bacteremia	4 (7)	7 (11)	6 (60)
Other	1 (2)	4 (6)	0 (0)
Total No. of infecting organismsb	79	82	10
Fungi, No. (%)	15 (19)	14 (17)	2 (20)
Candida albicans	2 (3)	3 (4)	1 (10)
Candida tropicalis	5 (6)	0 (0)	1 (10)
Yeast	3 (4)	3 (4)	0 (0)
Candida lusitanae	0 (0)	4 (5)	0 (0)
Candida glabrata	2 (3)	2 (2)	0 (0)
Other	3 (4)	2 (2)	0 (0)
Gram-negative bacilli, No. (%)	34 (43)	33 (40)	3 (30)
Pseudomonas aeruginosa	12 (15)	12 (15)	1 (10)
Haemophilus influenzae	6 (8)	3 (4)	0 (0)
Stenotrophomonas maltophilia	3 (4)	4 (5)	0 (0)
Enterobacter cloacae	3 (4)	0 (0)	0 (0)
Klebsiella pneumoniae	1 (1)	3 (4)	0 (0)
Other	9 (11)	11 (13)	2 (20)
Gram-positive bacilli, No. (%)	0 (0)	2 (2)	0 (0)
Clostridium dificile	0 (0)	2 (2)	0 (0)
Gram-negative cocci, No. (%)	3 (4)	1 (1)	0 (0)
Moraxella catarrhalis	3 (4)	1 (1)	0 (0)
Gram-positive cocci, No. (%)	24 (30)	27 (33)	5 (50)
Staphylococcus aureus	15 (19)	10 (12)	0 (0)
Staphylococcus coagulase negative	1 (1)	5 (6)	0 (0)
Staphylococcus epidermidis	4 (5)	0 (0)	0 (0)
Enterococcus faecalis	1 (1)	3 (4)	0 (0)
Other	3 (4)	9 (11)	5 (50)
Virus, No. (%)	1 (1)	3 (4)	0 (0)
Human herpes virus 6	0 (0)	1 (1)	0 (0)
Parainfluenza virus type 3	0 (0)	1 (1)	0 (0)
Respiratory syncytial virus	1 (1)	1 (1)	0 (0)
Undetermined, No. (%)	2 (3)	2 (2)	0 (0)

^aPercentages are out of total infections because patients have multiple infections.

^bPercentages are out of total infecting organisms because infections have multiple infecting organisms.