Table 2. The association between smoking and coffee consumption and the occurrence of UGISs in patients with active H. pylori infection.

Variables		Occurrence of UGISs			P-Value
		Yes	No	Total
Smoking	Never smoked	130	95	225	0.067
	Past smoker	68	31	99
	Current smoker	52	46	98
Coffee consumption	Yes	196	104	300	0.000
	No	36	65	101
	Past drinker	18	3	21