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Alive after 30 days
|
Dead within 30 days
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P-value
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|---|
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N (%)
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2950
|
740
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–
|
|
Age (years)*
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75.2 (67.7; 82.2)
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81.7 (75.1; 86.9)
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< 0.0001
|
|
Females, N (%) / males N (%)**
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1806 (61) / 1144 (39)
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463 (63) / 277 (37)
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0.5
|
|
Time from blood test to surgery (hours)*
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20.5 (7.3; 27.2)
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8.8 (4.2; 19.0)
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< 0.0001
|
|
Acute surgery, N (%) / eletive surgery, N (%)**
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1792 (61) / 1158 (39)
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675 (91) / 65 (9)
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< 0.0001
|
|
P-Sodium (mmol/L)*
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138 (135; 140)
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137 (133; 140)
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< 0.0001
|
|
P-Potassium (mmol/L)*
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3.9 (3.5; 4.2)
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3.8 (3.4; 4.3)
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0.8
|
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P-Creatinine (micromol/L)*
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81 (67; 100)
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102 (79; 152)
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< 0.0001
|
|
Surgical category, N (%)**
|
|
I. Gastroduodenal
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226 (8)
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136 (18)
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II. Biliary
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199 (7)
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15 (2)
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III. Small bowel
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216 (7)
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75 (10)
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IV. Appendix
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162 (6)
|
16 (2)
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< 0.0001
|
|
V. Colon
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1156 (39)
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270 (37)
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|
VI. Rectum
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447 (15)
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49 (7)
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|
VII. Herniotomy, adhesiolysis, splenectomy, and diagnostic purposes
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544 (18)
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179 (24)
| |
- ”*”Medians and interquartile range (IQR) are shown. Differences were tested using Mann–Whitney U tests
- “**”Numbers and percentages are shown. Differences were tested using chi-square statistics
