Table 1.

Clinical and pathologic features of 157 patients and their tumors

All characteristics (n = 157)No. of patients (%)
XG (n = 63)No-XG (n = 94)P valuea
Age, median (range), y66 (44–84)67 (44–88)ns
Sex
Male38 (60)37 (39)0.014
Female2557
Pathologic TNM stage
Median T size (range)4.5 cm (1.7–11.5)3.2 cm (0.6–13.5)0.003b
 I35 (56)54 (57)ns
 II9 (14)23 (25)
 III/IV19 (30)17 (18)
Histologic type
Adenocarcinoma30 (48)67 (71)<0.001
Squamous cell29 (46)15 (16)
Large cell3 (5)3 (3)
Carcinoid05
Sarcomatoid10
Lymphoepithelial01
Adenosquamous01
Mixed small/large cell02
Differentiation
Well2 (3)17 (19)0.003
Moderate26 (41)41 (46)
Poor35 (56)31 (35)

Abbreviation: ns, not significant.

  • aFisher's exact test.

  • bWilcoxon test.