Elderly patients | Non-elderly patients | |
---|---|---|
(n = 87) | (n = 174) | |
Gram positive | (n = 34) (39%) | (n = 62) (36%) |
Staphylococcus | (n = 17) (19%) | (n = 38) (22%) |
Staphylococcus aureus | 11 (13%) | 20 (11%) |
Coagulase- negative staphylococci | 1 (1%) | 10 (6%) |
Staphylococcus epidermidis | 4 (5%) | 6 (3%) |
Staphylococcus haemolyticus | 2 (1%) | |
Staphylococcus saprophyticus | 1 (1%) | |
Streptococcus | (n = 9) (10%) | (n = 16) (9%) |
Viridian streptococci | 3 (3%) | 7 (4%) |
Streptococcus pneumoniae | 4 (5%) | 8 (5%) |
Group A beta-streptococci | 1 (1%) | |
Group B beta-streptococci | 1 (1%) | 1 (0.5%) |
Enterococcus | (n = 6) (7%) | (n = 3) (2%) |
Enterococcus faecalis | 4 (5%) | 3 (2%) |
Enterococcus facium | 1 (1%) | |
Enterococcus sp | 1 (1%) | |
Listeria monocytogenes | 1 (1%) | 2 (1%) |
Corynebacterium | 1 (1%) | 2 (1%) |
Micrococcus | 1 (0.5%) | |
Gram negative | (n = 43) (49%) | (n = 82) (47%) |
Acinetobacter | (n = 9) (10%) | (n = 13) (7%) |
Acinetobacter baumannii | 7 (8%) | 12 (7%) |
Acinetobacter lwoffii | 2 (2%) | |
Acinetobacter sp. | 1 (0.5%) | |
Pseudomonas | (n = 4) (4%) | (n = 13) (7%) |
Pseudomonas aeruginosa | 2 (2%) | 9 (5%) |
Pseudomonas mendocina | 1 (1%) | 1 (0.5%) |
Pseudomonas stutzeri | 1 (1%) | 1 (0.5%) |
Pseudomonas putida | 1 (0.5%) | |
Pseudomonas spp. | 1 (0.5%) | |
Enterobacter | (n = 4) (4%) | (n = 7) (4%) |
Enterobacter cloacae | 3 (3%) | 5 (3%) |
Enterobacter aerogenes | 1 (1%) | 2 (1%) |
Klebsiella pneumoniae | 16 (18%) | 31 (18%) |
E coli | 4 (5%) | 7 (4%) |
Salmonella | 2 (2%) | 1 (0.5%) |
Proteus mirabilis | 2 (2%) | |
Serratia marcences | 1 (1%) | 2 (1%) |
Elizabethkingia meningoseptica | 1 (1%) | |
Others | 8a (4%) | |
Mixed infection | 10 (11%) | 30 (17%) |