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. 2009 Aug 14;15(30):3799–3806. doi: 10.3748/wjg.15.3799

Table 2.

Clinical features in relation to methylation of PTCH1a TRR in gastric cancer

Variable PTCH1methylation
n Positive Negative P value
Total 170 55 115
Clinicopathological parameters
Sex
Male 89 26 63 0.359
Female 81 29 52
Age of onset (yr)
< 50 68 22 46 1.000
≥ 50 102 33 69
Clinical stage
pT1 75 25 50 0.808
pT2-4 95 30 65
Lymph node metastasis
pN0 55 16 39 0.530
pN1-3 115 39 76
Histological grade
Well and moderately differentiated 63 19 44 0.735
Poorly differentiated 107 36 71