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Table 1 Case mix for patients with severe acute pancreatitis who were admitted to adult, general critical care units

From: Case mix, outcome, and activity for admissions to UK critical care units with severe acute pancreatitis: a secondary analysis of the ICNARC Case Mix Programme Database

Case mix

N

Median (IQR) or n (%)

Age in yearsa

2,677

63

(48–74)

Genderb

2,677

  

   Male

 

1,500

(56.0)

   Female

 

1,177

(44.0)

Surgical statusc

2,675

  

   Non-surgical

 

2,243

(83.9)

   Elective/scheduled

 

147

(5.5)

   Emergency/urgent

 

285

(10.7)

Past medical historyc

2,633

  

   Biopsy-proven cirrhosis

 

13

(0.5)

   Hepatic encephalopathy

 

8

(0.3)

   Steroid treatment

 

27

(1.0)

Mechanical ventilationc

2,671

1,242

(46.5)

Physiologya

   

   Lowest PaO2, kPa

2,470

9.8

(8.6–11.3)

   Lowest PaO2/FIO2, kPa

2,467

20.4

(13.7–29.8)

   Lowest arterial pH

2,467

7.30

(7.20–7.36)

   Highest serum urea, mmol/l

2,307

9.3

(5.3–16.0)

   Highest serum creatinine, μmol/l

2,559

112

(78–212)

   Highest serum glucose, mmol/l

2,243

8.8

(6.9–11.5)

   Highest total serum bilirubin, μmol/l

1,969

20

(12–37)

   Lowest total serum calcium, mmol/l

1,791

1.86

(1.62–2.08)

   Lowest ionised serum calcium, mmol/l

548

1.1

(0.97–1.84)

   Lowest serum albumin, g/l

2,118

22

(17–27)

   Highest white blood cell count, × 109/l

2,556

14.2

(10.3–19.4)

   Lowest platelet count, × 109/l

2,320

174

(122–240)

APACHE IIa

2,434b

  

   Acute Physiology Score

 

13

(9–17)

   APACHE II score

 

17

(13–22)

Modified Glasgow criteriac

2,677

  

   Serum albumin <32 g/l

 

1,926

(71.9)

   Age >55 years

 

1,729

(64.6)

   Total serum calcium <2 mmol/l

 

1,179

(44.0)

   White blood cell count >15 × 109/l

 

1,163

(43.4)

   Serum glucose >10 mmol/l

 

826

(30.9)

   Serum urea >16 mmol/l

 

573

(21.4)

   PaO2 <8 kPa

 

375

(14.0)

  1. aValues expressed as median (IQR). bExclusion criteria: age less than 16 years, length of stay less than 8 hours. cValues expressed as number (percentage). APACHE, Acute Physiology and Chronic Health Evaluation; FIO2, fractional inspired oxygen; IQR, interquartile range; N, number of non-missing observations; PaO2, arterial oxygen tension.
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Critical Care

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