Lung Cancer Risk Estimation in Current and Past Smokers (6-year)

 

Input
 

Age		mo yr
Race	White (0)
	Black (0.3944778)
	Hispanic (-0.7434744)
	Asian (-0.466585)
	Native American/Alaskan (0)
	Native Pacific islander/Hawaiian (1.027152)
Education	Less than high school (1)
	High School graduate (2)
	Training after high school (3)
	Some college (4)
	College graduate (5)
	Postgraduate training (6)
Body Mass Index		kg/m^2
COPD	(0.3553063)
History of cancer	(0.4589971)
Family history of lung cancer	(0.587185)
Current smoker	(0.2597431)
Cigarettes per day		# index none number points score
Years smoking		mo yr
Years since quitting smoking		mo yr

 

Results
 

Log odds		logit
Risk		% fraction ratio
Decimal Precision   0 1 2 3

 

 

Notes

• This calculator is based on study-group subjects between the ages of 55 and 74. It is not appropriate for subjects outside this age range or for subjects who have never smoked.

 
Equations used
 

Logodds = (0.0778868 * (Age - 62)) + Race - (0.0812744 * (Education - 4)) - (0.0274194 * (BodyMassIndex - 27)) + COPD + HxCa + FMHCa + Smoker - (1.822606 * ((10 / Cigarettesperday) - 0.4021541613)) + (0.0317321 * (Yearssmoking - 27)) - (0.0308572 * (Yearssincequittingsmoking - 10)) - 4.532506

Risk = 100 * (e(Logodds) / (1 + e(Logodds)))

 

 

Calculation Details and Variables

• Equation parameters such as Race, have two or more discrete values that may be used in the calculation. The numbers in the parentheses, e.g. (0), represent the values that will be used.

 

References

1. Tammemagi MC, Katki HA, Hocking WG, et al. Selection criteria for lung-cancer screening. N Engl J Med. 2013 Feb 21;368(8):728-36. doi: 10.1056/NEJMoa1211776. PubMed ID: 23425165