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Table 3 Description of the study population: frequencies of intrinsic and extrinsic factors recorded

From: Surveillance of nosocomial infections in the Yaounde University Teaching Hospital, Cameroon

Characteristics

Neonatology

ICU

Gynaecology

Surgery

Total

Number (total = 54)

%

Number (total = 51)

%

Number (total = 71)

%

Number (total = 131)

%

Number (total = 307)

%

Intrinsic factors

 Anaemia

NA*

NA*

6

12

0

NA

1

0.8

7

2.3

 Diabetes

NA*

NA*

8

16

1

1.4

7

5.5

16

5.3

 Hypertension

NA*

NA*

23

46

2

2.9

9

7.0

34

11.2

 Obesity

NA*

NA*

3

6

3

4.3

1

0.8

7

2.3

 Under nutrition

NA*

NA*

2

4

0

NA

0

NA

2

0.7

 HIV + status

NA*

NA*

13

25.5

4

5.6

9

6.9

26

7.9

Extrinsic factors

 Central venous catheter

20

37

13

25.5

2

2.8

0

NA

35

11.4

 Peripheral venous catheter

51

94.4

50

98.0

68

95.8

123

93.9

292

95.1

 Urinary catheter

1

1.9

15

29.4

20

28.2

11

8.4

47

15.3

 Nasogastric tube

24

44.4

21

41.2

0

NA

9

6.9

54

17.6

 Intubation

1

1.9

0

NA

0

NA

0

NA

1

0.3

 Surgery

0

NA

4

7.8

48

67.6

79

60.3

131

42.7

 Bedsores

0

NA

12

24.0

0

NA

2

1.5

14

4.6

  1. NA not applicable (impossible to estimate the relative frequency when the absolute one is zero), NA* the variable was not assessed in neonates
  2. Italic values indicate the total value (in all the services).