Scottish Surveillance of Healthcare Associated Infection Programme (SSHAIP)

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Distribution of SSI rates by category of surgical procedure and wound class -

- Back to National aggregated data on SSI

Distribution of SSI rates by category of surgical procedure and wound class -
5 years from July 2006 to June 2011 in NHSScotland

Procedure Category

Wound class

Number of procedures

Number of SSIs (inpatient)

Inpatient SSI Rate (%)

95% CI Lower

95% CI Upper

Abdominal hysterectomy

Clean

770

15

1.95

1.18

3.19

Clean contaminated

3170

38

1.20

0.87

1.64

Contaminated

10

0

0.00

0.00

27.75

Dirty

3

1

33.33

6.15

79.23

Not recorded

487

7

1.44

0.70

2.94

Breast surgery

Clean

3032

11

0.36

0.20

0.65

Clean contaminated

2

0

0.00

0.00

65.76

Contaminated

0

0

-

-

-

Dirty

0

0

-

-

-

Not recorded

38

1

2.63

0.47

13.49

CABG

Clean

3088

123

3.98

3.35

4.73

Clean contaminated

250

5

2.00

0.86

4.60

Contaminated

15

1

6.67

1.19

29.82

Dirty

1

0

0.00

0.00

79.35

Not recorded

26

4

15.38

6.15

33.53

Caesarean section

Clean

12068

77

0.64

0.51

0.80

Clean contaminated

50947

269

0.53

0.47

0.59

Contaminated

33

1

3.03

0.54

15.32

Dirty

4

0

0.00

0.00

48.99

Not recorded

4560

20

0.44

0.28

0.68

Cardiac surgery

Clean

1129

18

1.59

1.01

2.51

Clean contaminated

115

4

3.48

1.36

8.60

Contaminated

6

0

0.00

0.00

39.03

Dirty

4

0

0.00

0.00

48.99

Not recorded

11

1

9.09

1.62

37.74

Hip arthroplasty

Clean

38390

256

0.67

0.59

0.75

Clean contaminated

317

6

1.89

0.87

4.07

Contaminated

224

3

1.34

0.46

3.86

Dirty

161

11

6.83

3.86

11.82

Not recorded

2624

18

0.69

0.43

1.08

Knee arthroplasty

Clean

22946

53

0.23

0.18

0.30

Clean contaminated

83

1

1.20

0.21

6.51

Contaminated

123

0

0.00

0.00

3.03

Dirty

94

3

3.19

1.09

8.97

Not recorded

629

0

0.00

0.00

0.61

Major vascular surgery

Clean

957

34

3.55

2.55

4.92

Clean contaminated

58

12

20.69

12.25

32.77

Contaminated

3

0

0.00

0.00

56.15

Dirty

8

0

0.00

0.00

32.44

Not recorded

40

0

0.00

0.00

8.76

Reduction of long bone fracture

Clean

6699

46

0.69

0.52

0.91

Clean contaminated

27

0

0.00

0.00

12.46

Contaminated

2

0

0.00

0.00

65.76

Dirty

1

0

0.00

0.00

79.35

Not recorded

369

3

0.81

0.28

2.36

Repair of neck of femur

Clean

2765

41

1.48

1.09

2.01

Clean contaminated

43

2

4.65

1.28

15.46

Contaminated

3

0

0.00

0.00

56.15

Dirty

1

0

0.00

0.00

79.35

Not recorded

87

0

0.00

0.00

4.23