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Table 1 Clinicopathological characteristics of subjects

From: Correlation between magnifying narrow band imaging and histopathology in gastric protruding/or polypoid lesions: a pilot feasibility trial

 

Histopathological diagnosis

p value

Variables

FGP

HP

GN

GN vs .FGP

GN vs . HP

Number of patients

17

30

29

ND

ND

Number of pathological lesions

19

47

29

ND

ND

Gender (male/female)

9(52.9)/8(47.1)

16(53.3)/14(47.7)

23(79.3)/6(20.7)

NS

NS

Age (mean ± SD)

54.9 ± 23.6

67.5 ± 9.4

72.5 ± 6.9

< 0.0001

0.03

Yamada's classification

I and II

8(42.1)

15(31.9)

2(6.9)

0.04

NS

III

10(52.6)

22(46.8)

19(65.5)

NS

NS

IV

1(5.3)

10(21.3)

8(27.6)

NS

NS

Size

< 5 mm

7(36.8)

17(36.2)

0(0)

0.002

0.0007

5 mm ~ < 10 mm

10(52.6)

16(34.0)

12(41.4)

NS

NS

10 mm ~ < 20 mm

2(10.5)

8(17.0)

9(31.0)

NS

NS

20 mm ~

0(0)

6(12.8)

8(27.6)

0.03

NS

Color

Whitish

4(21.1)

0(0)

5(17.2)

NS

0.01

Same as surrounded mucosa

15(78.9)

2(4.3)

9(31.0)

0.003

0.004

Reddish

0(0)

45(95.7)

15(51.7)

0.0005

0.00002

Location

Upper third

8(42.1)

7(42.1)

6(20.7)

NS

NS

Middle third

11(57.9)

17(36.2)

7(24.1)

0.04

NS

Lower third

0(0)

23(48.9)

16(55.2)

0.0003

NS

Uneven form or presence of depressed area

2(10.5)

8(14.2)

12(41.4)

0..48

0.04

Erosion

0(0)

12(25.5)

8(27.6)

0.03

NS

  1. FGP, funding grand polyps; HP hyperplastic polyps; Gn, gastric neoplasia; ND not done
  2. GN consisted of 27(93.1%) well differentiated adeno carcinomas, and 2(6.9%) gastric adenomas
  3. All p values were assessed by the Chi-square test, with Yates' continuity correction except for the association of age
  4. Age was assessed by the One-way ANOVA