DeWane et al reported findings associated with early mortality following an emergency colon resection. The authors are from Yale School of Medicine in New Haven.
Patient selection: emergency colon resection
Outcome: death before postoperative day 5
Parameters:
(1) age in years
(2) smoking status
(3) preoperative ventilation
(4) ascites
(5) end-stage renal disease
(6) disseminated cancer
(7) preoperative sepsis
(8) postoperative pneumonia
(9) pulmonary embolism
(10) postoperative septic shock
(11) postoperative renal failure
Parameter
Finding
Odds Ratio
age in years
<= 80 years
1
> 80 years
3.42
smoking status
nonsmoker
1
smoker
1.32
preoperative ventilation
no
1
yes
2.81
ascites
no
1
yes
1.63
end-stage renal disease
no
1
yes
1.78
disseminated cancer
no
1
yes
1.45
preoperative sepsis
no
1
sepsis
1.46
septic shock
3.62
postoperative pneumonia
no
1
yes
2.18
pulmonary embolism
no
1
yes
5.78
postoperative septic shock
no
1
yes
4.45
postoperative renal failure
no
1
yes
1.89
cumulative product of the odds ratios =
= PRODUCT(odds ratios for all of the parameters)
Interpretation:
• minimum product: 1
• maximum product: 20,473.72
• The higher the product the greater the risk for early death after surgery.
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