Table 2: Univariate analysis (34 biopsies).

VariablesAccuracy of pathological diagnosis (correct/total) value

Sex0.510
 Male9/15 (60.0%)
 Female9/19 (47.3%)
Age (years)0.510
 ≤609/15 (60.0%)
 >609/19 (47.3%)
Clinically determined tumor diameter (mm)1.000
 ≤307/14 (50.0%)
 >3011/20 (55.0%)
Ulceration0.327
 Present10/16 (62.5%)
 Absent8/18 (44.4%)
Number of endoscopy1.000
 First8/16 (50.0%)
 Second or later10/18 (55.6%)
Endoscopic ultrasound0.001**
 Yes11/12 (91.7%)
 No7/22 (31.8%)
Number of biopsy0.274
 First14/23 (60.9%)
 Second or later4/11 (36.4%)
Biopsy procedure0.005**
 Normal7/21 (33.3%)
 Fine-needle aspiration biopsy11/13 (84.6%)

 ** .