Implications of anti-parietal cell antibodies and anti-Helicobacter pylori antibodies in histological gastritis and patient outcome

Table 3 Host and bacterial factors related to the presence of anti-parietal cell antibodies (APCA) in serum

	Anti-parietal cell antibodies			P
	Positive(n = 80, %)	Negative(n = 72, %)	Absolute difference(95%CI)
Age≥60 (yr)	48 (60)a	17 (24)	0.36 (0.22-0.51)	0
Sex (male)	58 (73)	42 (58)	0.14 (-0.01-0.29)	0.07
Blood type
A	23 (29)	23 (32)	-0.03 (-0.18-0.12)	0.67
B	21 (26)	19 (26)	-0.00 (-0.14-0.14)	0.99
O	32 (40)	26 (36)	0.04 (-0.12-0.20)	0.63
AB	4 (5)	4 (6)	-0.01 (-0.08-0.07)	0.88
Smoking	34 (43)	22 (31)	0.12 (-0.03-0.27)	0.13
Daily alcohol use	13 (16)	6 (8)	0.08 (-0.03-0.19)	0.14
Daily coffee use	3 (4)	9 (13)	-0.09 (-0.17-0.00)	0.05
Daily tea use	24 (30)	17 (24)	0.06 (-0.08-0.21)	0.38

^aP<0.05 vs APCA (-) group.