Topoisomerase II alpha expression and the benefit of adjuvant chemotherapy for postoperative patients with non-small cell lung cancer

Table 4 Pooled and pairwise comparisons of DFS among four chemotherapy regimens in patients with different TopIIα expression levels

TopIIα expression	Chemotherapy regimens	Vinorelbine (P)	Gemcitabine (P)	Docetaxel (P)	Paclitaxel (P)	P for each stratum
Low expression stratum	Vinorelbine		0.128	0.047*	0.322	0.267
	Gemcitabine	0.128		0.676	0.786
	Docetaxel	0.047*	0.676		0.429
	Paclitaxel	0.322	0.786	0.429
High expression stratum	Vinorelbine		0.209	0.410	0.437	0.594
	Gemcitabine	0.209		0.895	0.902
	Docetaxel	0.410	0.895		0.987
	Paclitaxel	0.437	0.902	0.987

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