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Table 3 Procedures independently associated with death in hospital

From: The Procedural Index for Mortality Risk (PIMR): an index calculated using administrative data to quantify the independent influence of procedures on risk of hospital death

Variable

Para-meter Estimate

Adjusted Odds Ratio

(95% CI)

PIMR Score

Predicted risk of death*

1.03

2.79

2.73 - 2.86

-

Emergent Procedures

    

   Resuscitation, heart NEC

4.26

70.72

41.04 - 121.84

11

   Excision partial, ventricle

3.71

40.91

5.03 - 333.05

10

   Repair, aortic valve

2.91

18.27

4.90 - 68.19

8

   Immobilization, shoulder joint

2.95

19.18

1.55 - 236.57

8

   Repair, patella

2.81

16.60

1.61 - 171.01

7

   Repair, tricuspid valve

2.38

10.85

1.77 - 66.34

6

   Implantation of device, descending thoracic aorta

2.28

9.82

5.73 - 16.84

6

   Occlusion, abdominal arteries NEC

2.44

11.53

4.67 - 28.49

6

   Implantation of internal device, abdominal cavity

2.43

11.33

2.21 - 58.17

6

   Excision partial soft tissue, chest and abdomen

2.46

11.76

2.38 - 58.01

6

   Drainage, ventricles of brain

1.88

6.54

3.26 - 13.11

5

   Drainage, bronchus NEC

1.77

5.89

1.33 - 26.20

5

   Ventilation, respiratory system NEC

1.89

6.65

5.73 - 7.71

5

   Installation of external appliance, heart NEC

2.00

7.38

2.72 - 20.01

5

   Stimulation, heart NEC

1.54

4.68

2.89 - 7.56

4

   Extraction, arteries of leg NEC

1.47

4.34

2.38 - 7.93

4

   Bypass, small intestine

1.49

4.43

1.95 - 10.04

4

   Repair, small intestine

1.35

3.86

1.91 - 7.80

4

   Drainage, meninges and dura mater of brain

1.23

3.43

2.15 - 5.48

3

   Excision partial, brain

1.33

3.77

1.98 - 7.20

3

   Control of bleeding, thoracic cavity NEC

1.06

2.90

1.37 - 6.12

3

   Drainage, pericardium

1.01

2.74

1.18 - 6.37

3

   Occlusion, vena cava (superior and inferior)

1.25

3.50

1.60 - 7.65

3

   Control of bleeding, esophagus

1.14

3.12

1.46 - 6.71

3

   Dilation, esophagus

1.09

2.98

1.18 - 7.54

3

   Control of bleeding, small and large intestine

1.10

3.00

1.22 - 7.38

3

   Amputation, tibia and fibula

1.03

2.80

1.27 - 6.21

3

   Bypass with exteriorization, trachea

0.58

1.78

1.12 - 2.84

2

   Implantation of internal device, stomach

0.61

1.84

1.25 - 2.70

2

   Excision partial, small intestine

0.78

2.18

1.33 - 3.58

2

   Excision partial, large intestine

0.58

1.79

1.20 - 2.66

2

   Drainage, abdominal cavity

0.67

1.96

1.43 - 2.69

2

   Implantation of internal device, hip joint

0.82

2.26

1.59 - 3.22

2

   Fixation, femur

0.76

2.13

1.52 - 2.99

2

   Amputation, femur

0.92

2.51

1.20 - 5.24

2

   Drainage, pleura

0.56

1.74

1.36 - 2.24

1

   Implantation of internal device, vena cava

0.38

1.46

1.20 - 1.78

1

   Pharmacotherapy (local), vessels of heart

-0.68

0.51

0.31 - 0.85

-2

   Excision total, appendix

-1.13

0.32

0.12 - 0.88

-3

   Installation of external appliance, circulatory system NEC

-1.39

0.25

0.17 - 0.36

-4

   Excision partial, abdominal cavity

-2.35

0.10

0.01 - 0.72

-6

Elective Procedures

    

   Drainage, pericardium

3.37

29.16

6.28 - 135.28

9

   Radiation, pelvis

3.35

28.47

2.58 - 314.61

9

   Destruction, skin of abdomen and trunk

2.75

15.61

1.89 - 128.67

7

   Excision partial, cerebellum

2.17

8.75

2.01 - 38.11

6

   Pharmacotherapy, circulatory system NEC

2.29

9.92

2.26 - 43.51

6

   Repair, abdominal arteries NEC

1.75

5.77

1.36 - 24.54

5

   Amputation, femur

1.92

6.81

1.93 - 24.01

5

   Ventilation, respiratory system NEC

0.83

2.28

1.66 - 3.14

2

   Dilation, coronary arteries

-1.61

0.20

0.06 - 0.69

-4

   Implantation of internal device, hip joint

-1.57

0.21

0.07 - 0.65

-4

   Implantation of internal device, knee joint

-1.58

0.21

0.08 - 0.55

-4

   Excision total, ovary with fallopian tube

-2.07

0.13

0.02 - 0.91

-5

   Repair, muscles of the chest and abdomen

-2.00

0.14

0.05 - 0.36

-5

   Excision partial, prostate

-2.24

0.11

0.01 - 0.76

-6

   Excision total, uterus and surrounding structures

-2.51

0.08

0.01 - 0.59

-7

  1. *The adjusted odds ratio represents the increased risk for every 10% increase in death risk from the KP in-patient risk model.
  2. See Additional File 3 for codes and a full description of each procedure (along with all component procedures).
  3. NEC - Not elsewhere classified
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BMC Health Services Research

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