Table 1.

Characteristics of 122 patients enrolled in the paired study

	Group 1	Group 2
Total number of patients	61	61
Gender
Male, n ( %)	49	49
Female, n ( %)	12	12
Age (years)
Median	63	63.5
Range	29–80	28–82
Pathology
Adenocarcinoma, n	36	36
Squamous cell carcinoma, n	18	18
Large-cell carcinoma	7	7
Stage, n
IIIa	16	16
IIIb	11	11
IV	34	34