Family History of Cancer and Tobacco Exposure in Index Cases of Pancreatic Ductal Adenocarcinoma

Table 2

Age of onset of all cases of adenocarcinoma of pancreas (𝑛=113) by smoking status (Mean (SD) years).

Pancreas cancer patients grouped based on family history of malignancy status	Smoking status
	Current smoker	Current and Ex-smoker	Ex-smoker	Non-smoker	Ex and non-smoker	ANOVA 𝑃
Combined caFDR+ and caFDR− (𝑛=113)	60.12 (8.18)		67.59 (10.10)	66.36 (12.17)
	60.12 (8.18)			66.36 (12.17)		^#.005
		64.51 (10.01)		66.36 (12.17)		* .40
	60.12 (8.18)				67.08 (10.95)	^+.001

^#Compares age of onset of pancreatic cancer between current and non-smokers
*Compares age of onset of pancreatic cancer between non-smokers and combined group of current and ex-smokers
⁺Compares age of onset of pancreatic cancer between current smokers and combined group of ex- and non-smokers.