TABLE 1

Baseline Patient (n = 43) and Tumor Characteristics

VariableData*
Male33 (77)
Median age in years†70 (62–74)
Histology
 Squamous cell carcinoma11 (26)
 Adenocarcinoma31 (72)
 Adenosquamous carcinoma1 (2)
cT‡
 cT10 (0)
 cT211 (26)
 cT328 (65)
 cT41 (2)
 cTx1 (2)
 Missing2 (5)
cN‡
 cN017 (40)
 cN111 (26)
 cN212 (28)
 cNx1 (2)
 Missing2 (5)
Differentiation grade
 Good to moderate16 (37)
 Poor10 (23)
 Missing17 (40)

  • ↵* Data are reported as number of patients, with percentage of patients in parentheses, unless otherwise indicated.

  • ↵† Values in parentheses are interquartile range.

  • ↵‡ Clinical tumor staging was in accordance with seventh edition of International Union Against Cancer TNM classification (23).