Current smoker
2
Minimal alcohol use
1
<3 months MI or TIA
4
Severe value dysfunction
4
Sepsis
4
Social alcohol drinker
2
Pregnancy
2
Poorly controlled diabetes
3
Regularly scheduled dialysis
3
Alcohol dependance
3
Obesity
2
Morbidly obese
3
Mild lung disease
2
Active hepatitis
3