Table 1.

Demographic characteristics of patients with pancreatic cancer and control subjects

Variables	Patients	%	Controls	%	χ2-test	P value
Age, years
≤55	102	41.46	104	42.28
>55	144	58.54	142	57.72	0.03	0.86
Gender
Male	168	68.29	168	68.29
Female	78	31.71	78	31.71	0.00	1.00
Tobacco smoking
Non-smokers	114	46.34	151	61.38
Smokers	132	53.66	95	38.62	11.20	0.001
Alcohol drinking
Non-drinkers	106	43.09	141	57.32
Drinkers	140	56.91	105	42.68	9,96	0.002
Body Mass Index (BMI)
≤24	136	55.28	168	68.29
>24	110	44.72	78	31.71	8.82	0.003
Type 2 diabetes
No	39	15.85	26	10.57
Yes	207	84.15	220	89.43	2.99	0.08
Family history of pancreatic cancer in the first relatives
No	232	94.31	246	100.00
Yes	14	5.69	0	0.00	14.41	<0.001