Table 1—

Characteristics of the patients at baseline

CharacteristicEvaluated patientsControlsp-value
Patients (M/F) n205 (117/88)433 (247/186)ns
Age yrs67±8 (41–86)69±8 (41–86)ns
Diagnosis
 NP172 (83.9)415 (95.84)<0.001
 NP with bacteraemia33 (16.1)18 (4.16)
APACHE II score17.8±5.0 (10–32)19.02±4.6 (10–30)ns
Antibiotics
 Ceftazidime90 (24.7)224 (28.35)
 Cefotaxime90 (24.7)140 (17.73)
 Levofloxacin87 (23.9)208 (26.32)
 Ciprofloxacin56 (15.4)147 (18.6)
 Amikacin41 (11.3)71 (9.0)
 Total364 (100)790 (100)
Antibiotic combination therapy159 (77.6)261 (78.4)ns
  • Data are presented as mean±sd (range) or n (%), unless otherwise stated. M: male; F: female; NP: nosocomial pneumonia; APACHE: Acute Physiology and Chronic Health Evaluation; ns: nonsignificant.