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Table 1 Methylation and mutation profile of NSCLC

From: DNA Methylation status of Wnt antagonist SFRP5 can predict the response to the EGFR-tyrosine kinase inhibitor therapy in non-small cell lung cancer

Clinical characteristics (cases) Methylation (%) EGFR mutation (%)
  SFRP1 SFRP2 SFRP5 DKK3 WIF1 APC CDH1 Any gene  
Gender          
Male (74) 30 (40.5) 20 (27.0) 9 (12.2) 9 (12.2) 3 (4.1) 13 (17.6) 7 (9.5) 44 (59.5) 36 (48.6)
Female (81) 31 (38.3) 20 (24.7) 14 (17.3) 13 (16.0) 3 (3.7) 18 (22.2) 8 (9.9) 48 (59.3) 49 (60.5)
Age          
<65 (89) 33 (37.1) 21 (23.6) 10 (11.2) 12 (13.5) 3 (3.4) 16 (18.0) 7 (7.9) 48 (53.9) 56 (62.9)*
≥65 (66) 28 (42.4) 19 (28.8) 13 (19.7) 10 (15.2) 3 (4.5) 15 (22.7) 8 (12.1) 44 (66.7) 29 (43.9)
Smoking          
Never (93) 35 (37.6) 24 (25.8) 14 (15.1) 15 (16.1) 2 (2.2) 21 (22.6) 8 (8.6) 58 (62.4) 57 (61.3)*
Smokers (62) 26 (41.9) 16 (25.8) 9 (14.5) 7 (11.3) 4 (6.5) 10 (16.1) 7 (11.3) 34 (54.8) 28 (45.2)
Histology          
Adenocarcinoma (118) 46 (38.9) 30 (25.4) 16 (13.6) 16 (13.6) 4 (3.4) 21 (17.8) 14 (11.9) 72 (61.0) 65 (55.1)
Non-adenocarcinoma (37) 15 (40.5) 10 (27.0) 7 (18.9) 6 (16.2) 2 (5.4) 7 (18.9) 1 (2.7) 20 (54.1) 20 (54.1)
Total 61 (39.4) 40 (25.8) 23 (14.8) 22 (14.2) 6 (38.7) 31 (20%) 15 (9.7%) 92 (59.4%) 85 (54.8%)
  1. *The frequency of this group is significantly higher than their counterparts.