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Table 2 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

 

All cases of acute pancreatitis

Factor

No. of cases

No. of deaths

Mortality rate (60 days)

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

  

30 days

60 days

  

All cases

10 589

560

675

6.4%

 

Age group:

     

  <35

1607

8

9

0.6%

 

  35-44

1520

14

20

1.3%

 

  45-54

1688

34

46

2.7%

 

  55-64

1833

62

82

4.5%

 

  65-74

1701

121

142

8.3%

 

  75-84

1540

181

223

14.5%

 

  85+

702

140

153

21.8%

 

Sex:

     

  Men

5584

260

325

5.8%

1.00 Ref

  Women

5003

300

350

7.0%

0.91 (0.77, 1.07)

Social deprivation:

     

  I (least deprived)

1638

101

117

7.2%

1.00 Ref

  II

1810

99

114

6.3%

0.91 (0.69, 1.20)

  III

2118

104

132

6.2%

0.94 (0.72, 1.23)

  IV

2256

137

160

7.1%

1.24 (0.96, 1.60)

  V (most deprived)

2270

119

155

5.5%

1.06 (0.82, 1.37)

Size of hospital:

     

  Small hospitals

1452

65

82

5.7%

1.00 Ref

  Medium hospitals

4537

233

278

6.1%

1.23 (0.95, 1.60)

  Large hospitals

3893

228

270

6.9%

1.53 (1.17, 1.98)*

  Other hospitals

106

4

9

8.5%

0.90 (0.44. 1.89)

Week day of admission:

     

  Weekday

7803

414

506

6.5%

1.00 Ref

  Weekend

2563

136

156

6.1%

0.89 (0.74, 1.08)

  Public holiday

226

10

13

5.8%

0.89 (0.50, 1.61)

Month of admission:

     

  Except in August

9623

509

608

6.3%

1.00 Ref

  August

966

51

67

6.9%

1.21 (0.92, 1.58)

  Except in August – September

8753

456

548

6.3%

1.00

  August – September

1836

104

127

6.9%

1.20 (0.98, 1.48)

  Except in August – October

7812

396

481

6.2%

1.00

  August – October

2777

164

194

7.0%

1.18 (0.99, 1.41)

First european working time directive (August 2004):

     

  Admitted Aug 01 – July 04

2375

149

168

7.1%

1.00 Ref

  Admitted Aug 2004

74

4

7

9.5%

1.69 (0.72, 3.93)

  Admitted Aug – Sept 04

124

7

10

8.1%

1.10 (0.55, 2.20)

  Admitted Aug – Oct 04

188

15

18

9.6%

1.29 (0.75, 2.20)

  Admitted Aug 04 – July 05

810

46

58

7.2%

1.00 (0.72, 1.37)

Second european working time directive (August 2009):

     

  Admitted Aug 06 – Jul 09

2938

141

175

6.0%

1.00 Ref

  Admitted Aug 2009

93

1

3

3.2%

0.47 (0.14, 1.56)

  Admitted Aug – Sept 09

182

2

5

2.7%

0.43 (0.17, 1.08)

  Admitted Aug – Oct 09

280

8

11

3.9%

0.62 (0.33, 1.18)

  Admitted Aug 09 – July 10

1099

43

57

5.2%

0.86 (0.62, 1.18)

  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. P-value = 0.002.
  4. Ref = Reference category.