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Table 1 Characteristics according to the therapeutic strategy

From: Factors influencing the implementation of antibiotic de-escalation and impact of this strategy in critically ill patients

Characteristics

All patients

(n = 229)

De-escalation

(n = 117)

No de-escalation

(n = 112)

P value

Age, years

59.5 ± 17.0

61.2 ± 17.3

57.7 ± 16.7

0.11

Sex, number (percentage)

   

0.04

   Male

131 (57.2)

62 (53)

69 (61.6)

 

   Female

98 (42.8)

55 (47)

43 (38.4)

 

McCabe score

1.1 ± 0.8

1.1 ± 0.8

1.1 ± 0.8

0.78

History of immunosuppression, number (percentage)

22 (9.6)

11 (9.4)

11 (9.8)

0.62

SAPS II

51 ± 19

51 ± 19

50 ± 18

0.77

SOFA score

7.5 ± 4.6

7.8 ± 4.6

7.2 ± 4.5

0.32

Recent hospitalization or home care, number (percentage)

36 (15.7)

20 (17.1)

16 (14.3)

0.31

Reasons for admission, number (percentage)

    

   Acute respiratory failure

47 (20.5)

28 (23.9)

19 (16.9)

0.03

   Coma

53 (23.1)

15 (12.8)

38 (33.9)

<0.001

   Septic shock

82 (35.8)

52 (44.4)

30 (26.8)

<0.001

   Miscellaneous

47 (20.5)

22 (18.8)

25 (22.3)

0.29

Previous antiotherapy within 24 hours, number (percentage)

50 (21.8)

32 (27.3)

18 (16.1)

<0.001

Mechanical ventilation, number (percentage)

168 (73.4)

86 (73.5)

82 (73.2)

0.73

Vasopressors, number (percentage)

111 (48.4)

68 (58.1)

43 (38.4)

<0.001

Body temperature, °C

38.3 ± 1.9

39.7 ± 1.7

36.9 ± 1.9

<0.001

Leucocytes count, g/L

15.7 ± 12.2

17.1 ± 14.6

14.4 ± 8.9

0.09

Procalcitonin, ng/mL

18.9 ± 46.0

13.7 ± 28.9

23.8 ± 58.2

0.09

Suspicion of community-acquired infection, number (percentage)

166 (72.5)

90 (77.9)

76 (67.8)

0.02

Suspected infection site, number (percentage)

    

   Lung

157 (68.5)

76 (64.9)

81 (72.3)

0.06

   Urinary tract

18 (7.9)

12 (10.2)

6 (5.3)

0.01

   Abdomen

24 (10.5)

14 (11.9)

10 (8.9)

0.20

   Soft and skin tissues

11 (4.8)

5 (4.2)

6 (5.3)

0.47

   Other sites

19 (8.3)

10 (8.6)

9 (8.0)

0.60

Infection finally ruled out, number (percentage)

37 (16.2)

15 (12.8)

22 (19.6)

0.05

Infection documented, number (percentage)

122 (53.3)

70 (59.8)

52 (46.4)

0.002

MDR, number (percentage)

21 (17.2)

8 (11.4)

13 (25)

<0.001

Bacteremia, number (percentage)

42 (18.3)

24 (20.5)

18 (16.1)

0.15

Empiric antibiotherapy, number (percentage)

    

   Appropriate

108 (47.2)

68 (58.1)

40 (35.7)

<0.001

   Not appropriate

14 (6.1)

2 (1.7)

12 (10.7)

<0.001

   Unknown

107 (46.7)

47 (40.2)

60 (53.6)

0.003

Duration of mechanical ventilation

7.7 1 ± 2.1

8.3 ± 11.7

7.2 ± 12.6

0.49

Duration of catecholamine administration

4.9 ± 4.8

5.4 ± 5.8

4.2 ± 4.8

0.16

Duration of antibiotic administration

7.7 ± 8.0

7.9 ± 6.4

7.5 ± 9.4

0.70

ICU-acquired infections, number (percentage)

9 (3.9)

3 (2.5)

6 (5.3)

0.15

ICU length of stay

11.5 ± 14.4

12.9 ± 15.6

10.0 ± 12.9

0.12

Mortality, number (percentage)

    

   ICU

41 (17.9)

20 (17.1)

21 (18.7)

0.50

   Hospital

60 (26.2)

30 (25.6)

30 (26.8)

0.58

  1. P values are comparisons between De-escalation and No De-escalation groups. SAPS II, Simplified Acute Physiologic Score II; ICU, intensive care unit; MDR, multidrug resistant; SOFA, Sepsis-related Organ failure Assessment.