Risk of colorectal polyps in patients with sporadic gastric polyps: A case-control study

Table 1 Characteristics of the patients (cases and controls)

Characteristics of patients	With gastric polyps (n = 78)	Without gastric polyps (n = 169)	P value
Age years old (average ± SD)	62 ± 11	61 ± 14	0.51
Sex (%women, CI)	71% (59-81)	61% (53-68)	0.11
Gastric polyps (%patients, CI)
Fundic gland polyps	80% (69-88)	Did not have gastric polyps
Hyperplastic	20% (12-31)
Indications of the UGIEs (%patients, CI)
Epigastralgia	38% (29-50)	46% (39-54)	0.14
Gastroesophageal reflux	22% (13-32)	9% (5-15)	< 0.01
Anemia	10% (4-19)	8% (4-13)	0.32
Abdominal pain	8% (3-16)	10% (6-16)	0.31
Digestive bleeding	4% (1-10)	6 % (3-11)	0.30
Screening	6 % (2-14)	9% (5-14)	0.35
Other	12% (4-19)	12% (4-13)	0.32
Gastric mucosa histology (%patients, CI)
Minor gastritis	76% (65-85)	68% (60-76)	0.15
Severe gastritis	24% (15-35)	32% (24-39)	0.15
Helicobacter pylori infection (%positives, CI)	20% (11-31)	29% (22-38)	0.07
Indications of the colonoscopies (%patients, CI)
Screening	37% (26-49)	43% (35-50)	0.25
Abdominal pain	17% (9-27)	23% (17-30)	0.16
Constipation	18% (10-28)	7% (3-11)	< 0.01
Anemia	13% (6-22)	9% (5-14)	0.23
Digestive bleeding	4% (1-11)	7% (3-12)	0.24
Other	11% (5-21)	11% (6-15)	0.12
Colonic polyps (%patients, CI)	25% (16-37)	20% (14-26)	0.17
Type of colonic polyps (%colonic polyps, CI)
Hyperplastic	25% (7-52)	31% (16-49)	0.95
Adenomas	68% (41-89)	63% (45-78)	0.63
ANL	45% (16-76) of the adenomas	41% (21-63) of the adenomas	0.82

UGIEs: Upper gastrointestinal endoscopies; ANL: Advanced neoplastic lesions.