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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