Table 2 Relative frequency of blood isolates in General Hospital of Tripolis, Greece (2001–2005).
Number of isolates (proportion) within the specified periods* | |||||||
|---|---|---|---|---|---|---|---|
Microorganisms | 2001 | 2002 | 2003 | 2004 | 2005 | Total | p-value |
Gram-positive | |||||||
Coagulase-negative staphylococci | 15 (32.6) | 15 (31.3) | 26 (36.6) | 26 (29.5) | 52 (43.3) | 134 (35.9) | 0.28 |
Stapylococcus aureus | 6 (13) | 9 (18.8) | 14 (19.7) | 21 (23.9) | 18 (15) | 68 (18.2) | 0.45 |
Streptococcus viridans | 1 (1.4) | 1 (0.3) | |||||
Gram-negative | |||||||
Escerichia coli | 20 (43.5) | 17 (35.4) | 22 (31) | 22 (25) | 27 (22.5) | 108 (29) | 0.06 |
Pseudomonas aeruginosa | 2 (4.3) | 3 (6.3) | 4 (5.6) | 11 (12.5) | 9 (7.5) | 29 (7.8) | |
Acinetobacter baumannii | 3 (4.2) | 2 (2.3) | 1 (0.8) | 6 (1.6) | |||
Proteus mirabilis | 1 (2.2) | 3 (6.3) | 0(0) | 0(0) | 2 (1.6) | 6 (1.6) | |
Klebsiella pneumoniae | 1 (2.2) | 1 (2.1) | 0(0) | 0(0) | 2 (1.6) | 4 (1.1) | |
Enterobacter | 1 (1.4) | 1 (0.3) | |||||
Candida spp | 1 (2.2) | 4 (4.6) | 7 (5.8) | 12 (3.2) | |||
Miscellaneous Gram-negative | |||||||
Serratia marscescens | 1 (0.8) | 1 (0.3) | |||||
Morganella morgannii | 1 (1.1) | 1 (0.3) | |||||
Citrobacter | 1 (1.1) | 1 (0.3) | |||||
Achromobacter | 1 (0.8) | 1 (0.3) | |||||
TOTAL | 46 (100) | 48 (100) | 71 (100) | 88 (100) | 120 (100) | 373 (100) | |