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Table 1 Characteristics of the lung adenocarcinoma patients included in the current study

From: A prognostic predictor panel with DNA methylation biomarkers for early-stage lung adenocarcinoma in Asian and Caucasian populations

Cohort TVGHa (%) TCGAa (%)
N = 69 (100 %) N = 299 (100 %)
Age   
  < 65 year-old 25 (36.2 %) 124 (41.5 %)
  ≥ 65 year-old 44 (63.8 %) 166 (55.5 %)
Stage   
 Stage IA 13 (18.8 %) 113 (37.8 %)
 Stage IB 42 (60.9 %) 104 (34.8 %)
 Stage IIA 4 (5.8 %) 32 (10.7 %)
 Stage IIB 10 (14.5 %) 50 (16.7 %)
T stage   
 Stage 1 16 (23.2 %) 122 (40.8 %)
 Stage 2 51 (73.9 %) 159 (53.2 %)
 Stage 3 2 (2.9 %) 18 (6.0 %)
N stage   
 N0 56 (81.2 %) 236 (78.9 %)
  ≥ N1 12 (17.4 %) 57 (19.1 %)
M stage   
 M0 69 (100 %) 299 (100 %)
  ≥ M1 0 (0.0 %) 0 (0.0 %)
Surgery   
 Lobectomy 60 (87.0 %) -b
 Wedge resection 8 (11.6 %) -b
 Segmentectomy 1 (1.4 %) -b
Chemotherapy   
 No 51 (73.9 %) -b
 Yes 15 (21.7 %) -b
TKI treatment   
 No 62 (89.9 %) -b
 Yes 6 (8.7 %) -b
  1. aTVGH: Taipei Veterans General Hospital; TCGA: The Cancer Genome Atlas
  2. bInformation was not available for patients from TCGA