Table 4

Summary of relationship between clinical variables and response to chemotherapy or survival

nResponse rate (%)PPFSa (mo)PMST (mo)P
Total72354.211.1
Gender
 Male49370.64.00.349.60.054
 Female23305.527.8
Histology
 Sq18500.114.00.5910.20.69
 Non-sq54304.311.1
Stage
 IIIB32380.655.50.00323.90.01
 IV40333.99.6
PS
 07570.226.60.31NR0.14
 165324.010.4
Smoking history
 Positive54350.884.20.5810.20.36
 Negative18334.513.2
  • a PFS, progression-free survival; Sq, squamous; MST, median survival time; NR, not responsive.