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Table 2 General characteristic of PJS and control groups used in this study

From: Distinct promoter methylation patterns of LKB1 in the hamartomatous polyps of Peutz-Jeghers syndrome and its potential in gastrointestinal malignancy prediction

Characteristics

PJS cases (N = 50) a

Control (N = 50) a

Age (years)

  ≤ 20

16 (32%)

2 (4%)

 21–30

15 (30%)

8 (16%)

 31–50

18 (36%)

22 (44%)

  > 50

1 (2%)

18 (36%)

Gender

 Female

20 (40%)

15 (30%)

 Male

30 (60%)

35 (70%)

Polyp/biopsy location

 Stomach

2 (4%)

0

 Intestine

32 (64%)

6 (12%)

 Colon

16 (32%)

44 (88%)

GI Malignancies

 Yes

8 (16%)

0

 No

42 (84%)

50 (100%)

Family History

 Yes

27 (54%)

0

 No

23 (46%)

50 (100%)

LKB1 germline mutation

 Yes

26 (72.2%)

0

 No

10 (27.8%)

50 (100%)

  1. a Data were presented in number (percentage). Total number may not be equal to the total of cases or controls due to missing or unknown data