Table 2 Univariate and multi-variate analysis of risk factors for 28-day mortality in patients with KP BSI

Demographic variables

 Male sex

145(64.4)

21(77.8)

0.167

 Age

69(64,76)

70(64,79)

0.134

 Carbapenem resistance

15(6.7)

14(51.9)

15.077(6.015–37.789)

 < 0.001

2.881((1.228–6.756)

0.015

Co-morbidities

 Hypertension

87(38.7)

15(55.6)

0.091

 Diabetes mellitus

61(27.1)

7(25.9)

0.896

 Hematological tumors

12(5.3)

1(3.7)

0.718

 Solid organ tumors

85(37.8)

9(33.3)

0.652

 Infection(any)

85(37.8)

17(63.0)

2.8(1.225–6.397)

0.012

0.331

 Septic Shock

27(12.0)

10(37.0)

4.314(1.792–10.385)

0.001

0.148

 Immunosuppression

5(2.2)

2(7.4)

0.121

 Organ dysfunction

52(23.1)

10(37.0)

0.112

 Hospital stays before onset

5(1,12)

14(7,38)

1.023(1.009–1.036)

0.001

0.223

 ICU stays before onset

0(0,1)

10(1,34)

1.038(1.018–1.059)

 < 0.001

0.613

 Pathogen isolated from other sites

75(33.3)

21(77.8)

7.000(2.711–18.076)

 < 0.001

0.324

 KP isolated in ICU

27(12.0)

21(77.8)

25.667(9.514–69.241)

 < 0.001

11.731(4.226–32.563)

 < 0.001

Invasive operation

 surgery

60(26.7)

8(29.6)

0.743

 puncture

23(10.2)

5(18.5)

0.195

 catheter

87(38.7)

21(77.8)

5.552(2.155–14.300)

 < 0.001

0.060

 Mechanical ventilation

17(7.6)

14(51.9)

13.176(5.344–32.487)

 < 0.001

0.327

 Appropriate empirical therapy

23(10.22)

1(3.7)

0.299