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Table 1 Baseline patients’ characteristics (A-CLABSI, B-CDI, and C-SSI)

From: Is it financially beneficial for hospitals to prevent nosocomial infections?

A - Central-line associated blood-stream infection (CLABSI)

 

Cases

Controls

N = 62

N = 178

N (%) / mean ± SD

N (%) / mean ± SD

Demographics

 Female gender

24 (39)

70 (39)

 Age (years)

64.7 ± 16

64.2 ± 19

 Age group (years)

  0–18 a

18 (29)

54 (31)

   > 18–50

10 (16)

27 (15)

   > 50–70

14 (23)

41 (23)

   > 70

20 (32)

55 (31)

 Nursing-home residence

10 (16)

22 (12)

 ICU type

  General (medical or surgical)

41 (66)

115 (65)

  Cardiac or cardiothoracic surgery

3 (5)

9 (5)

  Neonatal

18 (29)

54 (30)

 Time from ICU admission to inclusion (days)

12 ± 17

11 ± 15

Clinical characteristics at inclusion

 Mechanical ventilation

40 (64)

114 (64)

 Diabetes mellitus

17 (27)

52 (29)

 Creatinine above 150 mmol/liter

17 (27)

51 (28)

 Dialysis

5 (8)

10 (6)

 Congestive heart failure

8 (13)

27 (15)

 Cirrhosis

1 (2)

8 (4)

 Albumin (g/L)

22± 5

26 ± 7

 Chronic obstructive pulmonary disease (COPD)

5 (8)

15 (8)

 Simplified Acute Physiology Score (SAPS) II

   ≤ 52

12 (29%)

36 (30%)

   > 52

40 (71%)

84 (70%)

B -Clostridium difficileinfection (CDI)

 

Cases

Controls

 

N = 92

N = 276

 

N (%) / mean ± SD

N (%) / mean ± SD

Demographics

 Internal Medicine / Surgical ward

72:20 (78:22)

216:60 (78:22)

 Female gender

49 (53)

147 (53)

 Age (years)

76 ± 14

74 ± 14

 Age group (years)

   > 18–50

6 (7)

18 (7)

   > 50–70

15 (16)

45 (16)

   > 70

71 (77)

213 (77)

 Nursing-home residence

30 (33)

42 (15)

 Time from admission to inclusion (days)

15 ± 17

14 ± 16

Clinical characteristics at inclusion

 Mechanical ventilation

3 (3)

9 (3)

 Diabetes mellitus

34 (37)

132 (48)

 Creatinine above 150 mmol/liter

33 (36)

87 (32)

 Dialysis

6 (7)

20 (7)

 Congestive heart failure

23 (25)

76 (28)

 Cirrhosis

3 (3)

12 (4)

 Albumin (g/L)

26 ± 6

30 ± 7

 Chronic obstructive pulmonary disease (COPD)

6 (7)

46 (17)

 Charlson comorbidity index

  

   ≥ 6

64 (70)

192 (70)

C - Surgical site infection (SSI)

 

Cases

Controls

 

N = 76

N = 215

 

N (%) / mean ± SD

N (%) / mean ± SD

Demographics

 Deep: Superficial

39:37 (51:49)

 Female gender

42 (55)

119 (55)

 Age (years)

64 ± 18

64 ± 17

 Age group (years)

   > 18–50

18 (24)

48 (22)

   > 50–70

24 (32)

78 (36)

   > 70

34 (45)

89 (41)

 Nursing-home residence

0 (0)

6 (3)

 Operation type

  Breast

4 (5)

12 (6)

  Cholecystectomy

10 (13)

30 (14)

  Colon

19 (25)

50 (23)

  Inguinal hernia

5 (7)

15 (7)

  Spine

10 (13)

29 (13)

  Total hip replacement (THR)

11 (14)

30 (14)

  Total knee replacement (TKR)

17 (22)

49 (23)

Clinical characteristics at inclusion

 Mechanical ventilation

0

0

 Diabetes mellitus

13 (17)

26 (12)

 Creatinine above 150 mmol/liter

4 (5)

1 (0.5)

 Dialysis

1 (1)

0

 Congestive heart failure

3 (4)

5 (2)

 Cirrhosis

0

1 (0.5)

 Albumin (g/L)

38 ± 7

40 ± 6

 Chronic obstructive pulmonary disease (COPD)

2 (3)

4 (2)

 American Society of Anesthesiologists (ASA) score

  1

13 (17)

33 (16)

  2

43 (57)

137 (64)

  3

19 (25)

39 (20)

  4

1 (1)

2 (1)

  5

0

0

  Emergency

6 (8)

11 (5)

  1. a Among neonates: gestational age (weeks) was 30.8 + 5.7 among cases and 30.9 + 6.4 among controls; birth weight (grams) was 1750 ± 1465 among cases and 1660 ± 1244 among controls