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. 2014 May 21;18(3):R104. doi: 10.1186/cc13885

Table 1.

Characteristics of the patients a

Characteristics All patients ( N = 163) Mild or moderately severe AP ( n = 138) P- value b Severe AP ( n = 25)
All ( N = 25) MMS <2 ( n = 14) P- value MMS ≥2 ( n = 11)
Men
120 (73.6)
96 (69.6)
0.006
24 (96.0)
13 (92.9)
NS
11 (100.0)
Age, years
48 (18 to 87)
49 (18 to 87)
NS
43 (29 to 81)
41 (29 to 81)
NS
51 (29 to 69)
Etiology
 
 
 
 
 
 
 
Alcohol
113 (69.3)
91 (65.9)
0.028
22 (88.0)
11 (78.6)
NS
11 (100)
Biliary
35 (21.5)
34 (24.6)
0.021
1 (4.0)
1 (7.1)
NS
0
Other cause
11 (6.7)
9 (6.5)
NS
2 (8.0)
2 (14.3)
NS
0
Idiopathic
4 (2.5)
4 (2.9)
NS
0
0
NS
0
Onset of symptoms, hr
24 (1 to 72)
24 (1 to 72)
NS
24 (3 to 72)
18 (3 to 48)
<0.001
48 (24 to 72)
C-reactive protein, mg/L
19 (3 to 435)
16 (3 to 426)
0.002
94 (3 to 435)
30 (3 to 229)
<0.001
294 (22 to 435)
Creatinine, μmol/L
64 (31 to 1086)
62 (31 to 313)
<0.001
92 (47 to 1086)
68 (47 to 147)
<0.001
248 (92 to 1086)
Calcium, mmol/L
2.2 (1.27 to 2.73)
2.23 (1.27 to 2.73)
<0.001
1.86 (1.39 to 2.30)
2.04 (1.49 to 2.30)
0.013
1.67 (1.39 to 2.17)
Length of hospital stay, days
6 (1 to 93)
5 (1 to 41)
<0.001
26 (1 to 93)
28 (1 to 93)
NS
17 (1 to 49)
Mechanical ventilation
25 (15.3)
2 (1.4)
<0.001
23 (92.0)
13 (92.9)
NS
10 (90.9)
Renal replacement therapy
16 (9.8)
0
<0.001
16 (64.0)
7 (50.0)
NS
9 (81.8)
OD within 24 hours
30 (18.4)
10 (7.2)
<0.001
20 (80.0)
9 (64.3)
NS
11 (100)
OD on days 1 to 7
5 (3.1)
0
<0.001
5 (20.0)
5 (37.5)
NS
0 (0)
Mortality 8 (4.9) 1 (0.7) 0.014 7 (28.0) 2 (14.3) NS 5 (45.5)

aAP, Acute pancreatitis; MMS, Modified Marshall score; NS, Not significant; OD, organ dysfunction. bSignificance of the difference between mild or moderately severe AP (n = 138) and severe AP (n = 25). The severe AP group is categorized into two subgroups: admission modified Marshall Score <2 or ≥2. Data are median (range) or n (%).