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Table 2 Factors associated with duration of hospitalization

From: Effect on 30-day mortality and duration of hospitalization of empirical antibiotic therapy in CRGNB-infected pneumonia

Factors  ≤ 30 days
(n = 146)
 > 30 days
(n = 164)
P
Age 62.09 ± 17.88 57.28 ± 15.05 0.011
Gender    0.556
 Male 99 (67.81%) 106 (64.63%)  
 Female 47 (32.19%) 58 (35.37%)  
BMI (Kg/m2) 21.16 ± 4.31 (42) 22.61 ± 3.72 (83) 0.054
Congestive heart failure 31 (21.23%) 37 (22.56%) 0.778
Dementia 6 (4.11%) 1 (0.61%) 0.038
Pulmonary disease 21 (14.38%) 3 (1.83%) 0.000
Active malignancy    0.499
 None 127 (86.97%) 135 (82.32%)  
 Solid 15 (10.27%) 24 (14.63%)  
 Hematological 4 (2.74%) 5 (3.05%)  
Liver disease    0.907
 None 137 (93.84%) 152 (92.68%)  
 Mild 8 (5.48%) 11 (6.71%)  
 Severe 1 (0.68%) 1 (0.61%)  
Diabetes mellitus with end-organ damage 1 (0.68%) 2 (1.22%) 0.631
Renal disease 29 (19.86%) 38 (23.17%) 0.480
Total Charlson score 2 (1–3) 2 (1–3) 0.033
Creatinine (mg/dL)a 66.5 (48–106.55) 65.5 (47.1–139.4) 0.695
Albumin (g/dL) a 33.54 ± 6.09 34.01 ± 6.15 0.502
WBC (× 109/L) a 11.26 ± 4.99 11.06 ± 5.2 0.584
Systolic blood pressure (mm Hg)a 126.01 ± 18.62 122.46 ± 17.4 0.084
Hemodynamic supporta 57 (39.04%) 115 (70.12%) 0.000
Invasive ventilator supporta 83 (56.85%) 105 (64.02%) 0.197
Normal consciousness 68 (46.58%) 82 (50%) 0.547
Arterial line 25 (17.12%) 47 (28.66%) 0.016
Urine catheter 106 (72.60%) 132 (80.49%) 0.101
Central line 57 (39.04%) 88 (53.66%) 0.010
Nasogastric tube 113 (77.40%) 131 (79.88%) 0.594
Acquisition in ICU 69 (47.26%) 96 (58.54%) 0.047
Recent surgery 43 (29.45%) 89 (54.27%) 0.000
Type of bacteria    0.623
Acinetobacter 101 (69.18%) 128 (78.05%)  
Enterobacteriaceae (Klebsiella) 16 (10.96%) 19 (11.58%)  
Pseudomonas/other 29 (19.86%) 17 (10.37%)  
EAT    0.266
 REAT 40 (27.40%) 36 (21.95%)  
 UEAT 106 (72.60%) 128 (78.05%)  
Covering empirical therapy by time    0.681
 Same day as culture 32 (21.92%) 26 (15.85%)  
 Day + 1 5 (3.42%) 5 (3.05%)  
 Day + 2 3 (2.05%) 5 (3.05%)  
  1. Data are presented as No. (%) unless otherwise indicated
  2. aat culture taken day,
  3. BMI body mass index, WBC white blood cell, EAT empirical antibiotic treatment, REAT reasonable empirical antibiotic treatment, UEAT unreasonable empirical antibiotic treatment, ICU intensive care unit
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