Table 1.
The demographic and clinicopathologic characteristics of study participants
| Variables | Number (%) | p value | Number (%) | p value | ||||
|---|---|---|---|---|---|---|---|---|
|
GC
(n = 53) |
Non-GC
(n = 207) |
GC vs
.
non-GC |
CG
(n = 104) |
NM
(n = 103) |
GC vs
.
CG |
GC vs
.
NM |
CG vs
.
NM |
|
| Age (mean ± SD) | 59 ± 12 | 52 ± 12 | 0.001 | 54 ± 12 | 49 ± 12 | 0.010 | <0.001 | 0.004 |
| Age category | ||||||||
| < 60 | 32 (60) | 157 (76) | 73 (71) | 84 (82) | ||||
| ≥ 60 | 21 (40) | 49 (24) | 0.021 | 30 (29) | 19 (18) | 0.214 | 0.003 | 0.072 |
| Gender | ||||||||
| Female | 14 (26) | 104 (50) | 56 (54) | 48 (47) | ||||
| Male | 39 (74) | 103 (50) | 0.002 | 48 (46) | 55 (53) | 0.002 | 0.010 | 0.297 |
| Ethnicity | ||||||||
| Fars | 8 (15) | 89 (43) | 47 (46) | 42 (41) | ||||
| Non-Fars | 44 (85) | 117 (57) | 0.001 | 56 (54) | 61 (59) | <0.001 | 0.001 | 0.482 |
| H. pylori sero-status | ||||||||
| Negative | 17 (33) | 89 (43) | 29 (28) | 60 (58) | ||||
| Positive | 35 (67) | 116 (57) | 0.289 | 74 (72) | 42 (42) | 0.680 | 0.010 | <0.001 |
| Smoking | ||||||||
| Never | 23 (44) | 144 (70) | 77 (75) | 67 (65) | ||||
| Ever | 29 (56) | 62 (30) | 0.001 | 26 (25) | 36 (35) | <0.001 | 0.010 | 0.181 |
| FHGC | ||||||||
| No | 40 (83) | 179 (90) | 89 (90) | 90 (91) | ||||
| Yes | 8 (17) | 19 (10) | 0.160 | 10 (10) | 9 (9) | 0.275 | 0.164 | 0.809 |
| Inflammation grade | ||||||||
| 0 | - | 37 (18) | 0 (0) | 37 (36) | ||||
| I | - | 71 (34) | 5 (5) | 66 (64) | ||||
| II | - | 72 (35) | 72 (69) | 0 | ||||
| III | - | 13 (6) | 13 (13) | 0 | ||||
| IV | - | 14 (7) | - | 14 (13) | 0 | - | - | <0.001 |
| Atrophy stage | ||||||||
| 0 | - | 148 (72) | 51 (49) | 97 (94) | ||||
| I | - | 7 (3) | 1 (1) | 6 (6) | ||||
| II | - | 34 (16) | 34 (33) | 0 | ||||
| III | - | 17 (8) | 17 (16) | 0 | ||||
| IV | - | 1 (1) | - | 1 (1) | 0 | - | - | <0.001 |
| Tumor subsite | ||||||||
| Cardia | 12 (24) | - | - | |||||
| Noncardia | 36 (71) | - | - | - | ||||
| Mixed | 2 (4) | - | - | - | ||||
| Tumor stage | ||||||||
| IA | 1 (2) | - | - | - | ||||
| IB | 6 (13) | - | - | - | ||||
| II | 11 (23) | - | - | - | ||||
| IIIA | 9 (19) | - | - | - | ||||
| IIIB | 12 (26) | - | - | - | ||||
| IV | 8 (17) | - | - | - | ||||
| Tumor grade | ||||||||
| Undifferentiated | 1 (2) | - | - | - | ||||
| Poorly differentiated | 19 (41) | - | - | - | ||||
| Moderately differentiated | 17 (37) | - | - | - | ||||
| Well differentiated | 9 (20) | - | - | - | ||||
| Tumor subtype | ||||||||
| Intestinal | 18 (51) | - | - | - | ||||
| Diffuse | 10 (29) | - | - | - | ||||
| Singet ring cell | 1 (3) | - | - | - | ||||
| Mixed | 6 (17) | - | - | - | ||||