Table 1

90K status in stage I NSCLC tumors according to the clinicopathological features of patients

Variable90K low n (%)90K high n (%)P
Age (mean± SD, yr)63.8± 7.163.2± 6.30.72
Sex
 Male50 (96)17 (85)0.13
 Female2 (4)3 (15)
Tumor differentiation
 Well (G1)14 (27)6 (30)0.92
 Moderate (G2)20 (38)8 (40)
 Poor (G3)18 (35)6 (30)
Histological type
 SCCa25 (48)11 (55)0.90
 AD19 (36)6 (30)
 BAC4 (8)2 (10)
 LCC4 (8)1 (5)
Tumor size
 T112 (23)7 (35)0.37
 T240 (77)13 (65)
Distant metastases
 Present11 (21)12 (60)0.0038
Absent41 (79)8 (40)
  • a SCC, squamous cell carcinoma; AD, adenocarcinoma; BAC, bronchioloalveolar carcinoma; and LCC, large cell carcinoma.