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Table 1 Basic characteristics of the study participants

From: Characteristics of gastric precancerous conditions and Helicobacter pylori infection among dyspeptic patients in north-eastern Iran: is endoscopic biopsy and histopathological assessment necessary?

Common risk factors Metaplasia Atrophy Dysplasia Abnormal gastric biopsy No pathological finding Total
Age (years)
  ≤ = 40 5 (2.3) 2 (1.0) 2 (1.0) 59 (27.4) 147 (68.3) 215
 41–50 19 (15.3) 13 (10.5) 16 (12.9) 16 (12.9) 60 (48.4) 124
 51–60 24 (19.5) 22 (17.9) 9 (7.3) 16 (13.0) 52 (42.3) 123
  ≥ = 61 41 (33.3) 37 (30.1) 19 (15.4) 12 (9.7) 14 (11.4) 123
Sex
 Female 52 (13.1) 41 (10.3) 32 (8.1) 78 (19.6) 194 (48.9) 397
 Male 37 (19.7) 33 (17.5) 14 (7.4) 25 (13.3) 79 (42.0) 188
H. pylori infection 83 (17.7) 68 (14.5) 42 (8.9) 52 (11.1) 224 (47.8) 469
Smoking 20 (17.8) 17 (15.2) 9 (8.0) 16 (14.3) 50 (44.6) 112
NSAID use 13 (7.5) 11 (6.3) 6 (3.5) 27 (15.6) 116 (67.0) 173
Aspirin 8 (9.1) 13 (14.8) 6 (6.8) 15 (17.0) 46 (52.3) 88
Addiction (opium and/or methamphetamine) 35 (24.0) 30 (20.5) 17 (11.6) 19 (13.0) 45 (30.8) 146
Alcohol consumption 6 (12.0) 6 (12.0) 3 (6.0) 8 (16.0) 27 (54.0) 50
  1. NSAID, nonsteroidal anti-inflammatory drug