Table 1 Clinical and epidemiological characteristics of bacteremic and nonbacteremic nosocomial pneumonia patients
Characteristic | Bacteremic (n= 70) | Nonbacteremic (n= 409) | P value |
|---|---|---|---|
Age (years) | 59.2 ± 15.4 | 56.5 ± 18.9 | 0.26 |
Male gender | 50 (71.4) | 278 (68) | 0.67 |
SAPS II score | 51.5 ± 19.8 | 46.6 ± 17.5 | 0.03 |
Gap pneumonia | 7.3 ± 14.1 | 4.9 ± 5.8 | 0.02 |
Diagnostic category at admission | 0.01 | ||
Medical | 54 (77.1) | 246 (60.4) | |
Surgery | 12 (17.1) | 64 (15.7) | |
Trauma | 4 (5.7) | 97 (23.8) | |
Co-morbidities at admission | |||
Diabetes mellitus | 3 (4.3) | 16 (3.9) | 0.75 |
Hepatic cirrhosis | 3 (4.3) | 10 (2.4) | 0.42 |
COPD | 5 (7.1) | 21 (5.1) | 0.57 |
Chronic renal failure | 10 (14.3) | 32 (7.1) | 0.34 |
CCI | 9 (12.9) | 29 (7.1) | 0.15 |
Alcohol | 0 (0) | 17 (4.2) | 0.15 |
Immunodepression | 6 (8.6) | 16 (3.9) | 0.11 |
Relating to episode at admission | |||
Septic shock | 27 (39.7) | 137 (35) | 0.35 |
Prior antibiotic exposure | 15 (21.2) | 53 (13) | 0.07 |