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Table 1 Clinical features and details of patients receiving intravenous PMB

From: Clinical outcomes and safety of polymyxin B in the treatment of carbapenem-resistant Gram-negative bacterial infections: a real-world multicenter study

Characteristic

Mean ± SD, or n (%)

Age (year)

55.91 ± 17.14

Male (%)

79 (79)

ICU admission, n (%)

98 (98)

Mechanical ventilation, n (%)

49 (49)

Chronic medical conditions, n (%)

 Heart disease

14 (14)

 Hypertension

44 (44)

 Stroke

19 (19)

 Cancer

6 (6)

 Diabetes mellitus

15 (15)

 Chronic obstructive pulmonary disease

1 (1)

Renal insufficiency, n (%)

27 (27)

Septic shock, n (%)

39 (39)

SOFA score, mean ± SD

7.76 ± 4.30

APACHE II, mean ± SD

17.61 ± 7.59

ICU stay before intravenous PMB, days, median (IQR)

8 (3, 14)

MODS, n (%)

60 (60)

PCT, ng/ml, median (IQR)

3.89 (1.08, 11.43)

Bacterial, n (%)

 AB

33 (33)

 KP

48 (48)

 PA

16 (16)

 Other

9 (9)

 Unknown

15 (15)

Infection sites, n (%)

 BSI

40 (40)

 Pulmonary infection

64 (64)

 Intraperitoneal infection

9 (9)

 Incision infection

6 (6)

 Others

18 (18)

Concomitant antibiotic therapy

 PMB + Carbapenem

30 (30)

 PMB + Carbapenem + Tigecycline

26 (26)

 PMB + Tigecycline

11 (11)

 PMB + Cephalosporin

9 (9)

 PMB + Carbapenem + Cephalosporin

8 (8)

 Others

16 (16)

Daily dose of PMB, mg/day, n (%)

 100

53 (53)

 150

17 (17)

 200

30 (30)

  1. PMB: polymyxin B; ICU: intensive care unit; SOFA: Sequential Organ Failure Assessment; APACHE II: Acute Physiology and Chronic Health Evaluation II; MODS: multiple organ dysfunction syndrome; PCT: procalcitonin; KP: Klebsiella pneumoniae, AB: Acinetobacter baumannii; PA: Pseudomonas aeruginosa; BSI: bloodstream infection