Table 1 Patient characteristics^a

Age (years)

47.4 (17.1)

42.3 (16.9)

48.1 (15.8)

44.6 (14.7)

0.835^b

Male (% total)

32 (61.5)

29 (64.3)

27 (64.3)

22 (57.9)

0.923^c

Etiology (% total)

–

–

–

–

0.037^c

 Gallstones

–

22 (48.9)

17 (40.5)

19 (50.0)

–

 Hyperlipidemia

–

15 (33.3)

13 (31.0)

18 (47.4)

–

 Alcohol misuse

–

–

3 (7.1)

–

–

 Other

–

8 (17.8)

12 (28.6)

1 (2.6)

–

WBC (× 10⁹/L)^{d, e, f}

6.0 (1.5)

10.6 (4.0)

13.0 (5.5)

13.4 (5.5)

< 0.001^b

CRP (mg/L)^{d, e, f, g, h}

2.7 (2.4)

39.5 (53.6)

97.3 (83.1)

135.0 (79.3)

< 0.001^b

SGOT (U/L)^{d, e, f}

20.7 (4.6)

93.8 (170.5)

120.4 (190.3)

125.0 (166.0)

< 0.001^b

BUN (mmol/L)

5.0 (1.0)

12.1 (48.0)

4.8 (2.1)

6.8 (6.5)

0.245^b

Serum creatinine (μmol/L)

55.7 (11.1)

60.7 (19.0)

60.6 (16.7)

71.7 (55.8)

0.492^b

Ranson score^{d, e, f, g, h, i}

0.4 (0.5)

1.1 (1.0)

1.9 (1.2)

3.0 (1.4)

< 0.001^b

APACHE II^{e, f, g, h}

1.7 (1.7)

2.4 (2.0)

4.2 (2.5)

6.2 (3.9)

< 0.001^b

Length of stay (days)^{h, i}

–

9.2 (3.2)

10.2 (4.5)

18.7 (10.7)

< 0.001^b

ICU admission (% total)^{h, i}

–

25 (55.6)

31 (73.8)

37 (97.4)

< 0.001^c

Length of ICU stay (days)^{h, i}

–

2.2 (2.8)

3.7 (3.7)

10.7 (6.7)

< 0.001^b

Need for intervention

–

–

2

27

–

 Surgical

–

–

–

1

–

 Interventional

–

–

2

15^j

–

 Supportive

–

–

21^j

–

Mortality

–

–

–

1

–