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Table 3 Gallstone and alcoholic acute pancreatitis: numbers of cases, deaths and mortality rates according to factors, 1999 to 2010

From: Mortality following acute pancreatitis: social deprivation, hospital size and time of admission: record linkage study

 

Gallstone acute pancreatitis

Alcoholic acute pancreatitis

Factor

No. of cases

No. of deaths

Mortality rate (60 days)

Adjusted 60 day mortality odds ratio † (95% CI)

No. of cases

No. of deaths

Mortality rate (60 days)

Adjusted 60 day mortality odds ratio † (95% CI)

  

30 days

60 days

   

30 days

60 days

  

All cases

3903

152

201

5.2%

 

2327

58

72

3.1%

 

Age group:

          

  <35

460

2

2

0.4%

 

560

2

3

0.5%

 

  35-44

349

1

1

0.3%

 

674

11

15

2.2%

 

  45-54

537

5

7

1.3%

 

575

18

22

3.8%

 

  55-64

745

15

21

2.8%

 

305

16

20

6.6%

 

  65-74

763

31

43

5.6%

 

93

3

4

4.3%

 

  75-84

727

55

77

10.6%

 

45

5

5

11.1%

 

  85+

324

43

50

15.4%

 

9

3

3

33.3%

 

Sex:

          

  Men

1548

75

97

6.3%

1.00 Ref

1809

41

51

2.8%

1.00 Ref

  Women

2355

77

104

4.4%

0.72 (0.53,0.97)*

518

17

21

4.1%

1.46 (0.86, 2.48)

Social deprivation:

          

  I (least deprived)

673

24

34

5.1%

1.00 Ref

245

6

7

2.9%

1.00 Ref

  II

746

24

29

3.9%

0.76 (0.45, 1.27)

273

9

11

4.0%

1.74 (0.65, 4.69)

  III

824

31

43

5.2%

1.08 (0.67, 1.73)

359

13

13

3.6%

1.61 (0.61, 4.40)

  IV

768

37

49

6.4%

1.43 (0.90, 2.27)

571

19

23

4.0%

1.80 (0.78, 4.64)

  V (most deprived)

894

36

46

5.1%

1.34 (0.84, 2.14)

879

11

18

2.0%

0.95 (0.38, 2.57)

Size of hospital:

          

  Small hospitals

612

20

26

4.3%

1.00 Ref

240

3

5

2.1%

1.00 Ref

  Medium hospitals

1588

59

75

4.7%

1.27 (0.80, 2.02)

942

27

32

3.4%

1.67 (0.63, 4.18)

  Large hospitals

1419

65

86

6.1%

1.69 (1.07, 2.67)*

1029

26

31

3.0%

1.39 (0.53, 3.66)

Other hospitals

39

1

3

7.7%

1.13 (0.32, 3.97)

14

0

1

7.1%

1.74 (0.17, 18.2)

Week day of admission:

          

  Weekday

2860

116

153

5.3%

1.00 Ref

1226

41

52

4.2%

1.00 Ref

  Weekend

963

34

45

4.7%

0.83 (0.59, 1.18)

535

15

16

3.0%

0.89 (0.50, 1.60)

  Public holiday

82

2

3

3.7%

0.73 (0.22, 2.40)

66

2

4

6.1%

1.84 (0.62, 5.47)

Month of admission:

          

Except in August

3555

141

183

5.1%

1.00 Ref

2103

49

60

2.9%

1.00 Ref

  August

348

11

18

5.2%

1.15 (0.69, 1.92)

224

9

12

5.4%

1.87 (0.96, 3.63)

Except in August –Sept

3258

131

168

5.2%

1.00 Ref

1911

40

51

2.7%

1.00 Ref

  August – Sept

645

21

33

5.1%

1.07 ( 0.72, 1.59)

416

18

21

5.0%

1.93 (1.13,3.03)*

Except in August-October

2905

121

157

5.4%

1.00 Ref

1707

31

41

2.4%

1.00 Ref

  August – October

998

31

44

4.4%

0.84 (0.59, 1.19)

620

27

31

5.0%

2.02 (1.23,3.29)*

First European Working Time directive (Aug 2004)

      

Admitted Aug 01 – July 04

797

34

42

5.3%

1.00 Ref

479

8

13

2.7%

1.00 Ref

Admitted Aug 2004

27

1

3

11.1%

3.68 (0.93, 14.6)

27

2

2

7.4%

7.49 (1.25,44.8)* *

Admitted Aug – Sept 04

46

2

4

8.7%

1.76 (0.56, 5.51)

38

2

2

5.3%

3.91 (0.70, 22.1)

Admitted Aug – Oct 04

66

4

6

9.1%

1.90 (0.73, 4.96)

51

2

2

3.9%

2.80 (0.52, 15.0)

Admitted Aug 04 – July 05

304

10

16

5.3%

1.11 (0.60, 2.06)

182

6

6

3.3%

1.77 (0.61, 5.19)

Second European Working Time directive (Aug 2009)

      

Admitted Aug 06 – Jul 09

1154

49

65

5.6%

1.00 Ref

711

14

18

2.5%

1.00 Ref

Admitted Aug 2009

27

0

0

0%

 

23

0

0

0%

 

Admitted Aug – Sept 09

66

0

1

1.5%

0.26 (0.04, 1.95)

40

0

0

0%

 

Admitted Aug – Oct 09

105

1

2

1.9%

0.33 (0.08, 1.41)

67

1

1

1.5%

0.46 (0.06, 3.70)

Admitted Aug 09 – July 10

426

14

20

4.7%

0.81 (0.48, 1.37)

281

5

7

1.8%

0.92 (0.37, 2.30)

  1. Notes.
  2. † The odds ratio for sex is adjusted for age group. The odds ratios for all other factors are adjusted for age group and sex.
  3. * Denotes significance at the 5% level. Significant p values for gallstone acute pancreatitis are as follows: women = 0.032; large hospitals = 0.025.
  4. ** Denotes significance at the 1% level.
  5. Significant p values for alcoholic acute pancreatitis are as follows: August - Sept = 0.017; August - October = 0.004; Admitted Aug 2004 = 0.027.
  6. Ref = Reference category.
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BMC Gastroenterology

ISSN: 1471-230X

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