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. 2012 Aug 2;7(8):e42043. doi: 10.1371/journal.pone.0042043

Table 1. Patient demographics.

Groups
CTNB non-CTNB p Value
Total 124 197
Sex
Male 69 (56) 129 (66) 0.08
Female 55 (44) 68 (35)
Age (years) 65±10 66±11 0.3
Histology
Adenocarcinoma 112 (90) 161 (82) 0.04
Squamous cell carcinoma 9 (7) 28 (14) 0.06
Others 3 (2) 8 (4) 0.4
Tumor size (mm) 19±9 25±9 <0.001
T factor
pT1a 79 (64) 78 (40) <0.001
pT1b 25 (20) 51 (26) 0.24
pT2a 20 (16) 68 (35) <0.001
Surgical procedure
Lobectomy or more 111 (90) 186 (94) 0.1
Sublobar resection 13 (10) 11 (6)
Microscopic pleural invasion
yes 12 (10) 23 (12) 0.6
no 112 (90) 174 (88)
Microscopic vascular invasion
yes 7 (6) 19 (10) 0.3
no 117 (94) 178 (90)
Microscopic lymphatic invasion
Yes 12 (10) 24 (12) 0.5
no 112 (90) 173 (88)

The numbers in parentheses indicate percentages.