Scottish Surveillance of Healthcare Associated Infection Programme (SSHAIP)

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Distribution of SSI rates by category of surgical procedure and NNIS risk index -

- Back to National aggregated data on SSI

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

Procedure Category

NNIS risk index

Number of procedures

Number of SSIs (inpatient)

Inpatient SSI Rate (%)

95% CI Lower

95% CI Upper

Abdominal hysterectomy

0

2876

24

0.83

0.56

1.24

1

625

22

3.52

2.34

5.27

2 & 3

95

6

6.32

2.93

13.10

Not recorded

844

9

1.07

0.56

2.01

Breast surgery

0

2229

8

0.36

0.18

0.71

1

386

1

0.26

0.05

1.45

2 & 3

1

0

0.00

0.00

79.35

Not recorded

456

3

0.66

0.22

1.92

CABG

0

3

0

0.00

0.00

56.15

1

2217

70

3.16

2.51

3.97

2 & 3

196

17

8.67

5.49

13.45

Not recorded

964

46

4.77

3.60

6.31

Caesarean section

0

47652

235

0.49

0.43

0.56

1

6196

66

1.07

0.84

1.35

2 & 3

174

7

4.02

1.96

8.07

Not recorded

13590

59

0.43

0.34

0.56

Cardiac surgery

0

2

0

0.00

0.00

65.76

1

786

9

1.15

0.60

2.16

2 & 3

102

3

2.94

1.01

8.29

Not recorded

376

11

2.93

1.64

5.16

Hip arthroplasty

0

19322

54

0.28

0.21

0.36

1

14182

152

1.07

0.92

1.25

2 & 3

1790

43

2.40

1.79

3.22

Not recorded

6422

45

0.70

0.52

0.94

Knee arthroplasty

0

13752

24

0.17

0.12

0.26

1

6428

19

0.30

0.19

0.46

2 & 3

707

4

0.57

0.22

1.45

Not recorded

2988

10

0.33

0.18

0.61

Major vascular surgery

0

80

3

3.75

1.28

10.45

1

526

23

4.37

2.93

6.48

2 & 3

300

13

4.33

2.55

7.27

Not recorded

160

7

4.38

2.14

8.75

Reduction of long bone fracture

0

1674

7

0.42

0.20

0.86

1

4201

33

0.79

0.56

1.10

2 & 3

164

1

0.61

0.11

3.37

Not recorded

1060

8

0.75

0.38

1.48

Repair of neck of femur

0

618

5

0.81

0.35

1.88

1

2073

36

1.74

1.26

2.39

2 & 3

3

0

0.00

0.00

56.15

Not recorded

205

2

0.98

0.27

3.49