Table 4 Differences in sex, age, smoking, dietary habits and Hp infection in different regions (OLGA-0 group)

52.9 (8.6)^a

49.1 (9.8)^b

49.3 (9.3)^b

55.9 (8.5)^c

54.6 (11.2)^ac

0.025

133 (52.4)^ab

341 (59.4)^b

117 (55.7)^ab

164 (49.4)^a

111 (50.5)^ab

121 (47.6)

233 (40.6)

93 (44.3)

168 (50.6)

109 (49.5)

< 0.001

137 (53.9)^a

235 (40.9)^b

69 (32.9)^bc

97 (29.2)^cd

45 (20.5)^d

117 (46.1)

339 (59.1)

141 (67.1)

235 (70.8)

175 (79.5)

< 0.001

32 (12.6)^a

0 (0)^b

16 (7.6)^a

33 (9.9)^a

20 (9.1)^a

222 (87.4)

574 (100)

194 (92.4)

299 (90.1)

200 (90.9)

< 0.001

41 (16.1)^a

30 (5.2)^b

37 (17.6)^a

108 (32.5)^c

24 (10.9)^a

213 (84.9)

544 (94.8)

173 (82.4)

224 (67.5)

196 (89.1)

< 0.001

101 (39.8)^a

524 (91.3)^b

122 (58.1)^c

189 (56.9)^c

124 (56.4)^c

153 (60.2)

50 (8.7)

88 (41.9)

143 (43.1)

96 (43.6)

< 0.001

208 (81.9)^a

547 (95.3)^b

184 (87.6)^a

291 (87.6)^a

186 (84.5)^a

46 (18.1)

27 (4.7)

26 (12.4)

41 (12.3)

34 (15.5)

< 0.001

19 (7.5)^a

179 (31.2)^b

90 (42.9)^c

91 (27.4)^b

57 (25.9)^b

235 (92.5)

395 (68.8)

120 (57.1)

241 (72.6)

163 (74.1)

< 0.001

80 (31.4)^a

144 (25.1)^b

53 (25.2)^b

39 (11.7)^c

94 (42.7)^a

172 (68.5)

430 (74.9)

157 (74.8)

293 (88.3)

126 (57.3)