Table 5.

Disease-free survival based on chemotherapy choice.

Squamous	Non-Squamous
		Taxane/Platinum	Irinotecan Based	Ifosfamide Based	Fluorouracil Based	Mitomycin Based	Platinum Alone
	Taxane/platinum		0.70	0.78	0.48	0.22	0.22
	Irinotecan based	0.65		0.99	0.88	0.21	0.45
	Ifosfamide based	0.19	0.11		0.84	0.48	0.79
	Fluorouracil based	0.91	0.62	0.32		0.18	0.64
	Mitomycin based	0.94	0.59	0.25	0.98		0.11
	Platinum alone	0.44	0.28	0.62	0.60	0.57

Log-rank test (pairwise) for P-values.