Sequential chemotherapy and icotinib as first-line treatment for advanced epidermal growth factor receptor-mutated non-small cell lung cancer

Table 3 Subsequent treatments

	Icotinib	Chemotherapy + icotinib	Chemotherapy + icotinib, n = 34
			2DP	2PP	4DP	4PP
	n = 22	n = 34	n = 11	n = 10	n = 4	n = 9
Chemotherapy	13 (59.1)	16 (47.1)	6 (54.6)	4 (40.0)	2 (50.0)	4 (44.4)
Osimertinib	10 (45.5)	17 (50.0)	6 (54.6)	4 (40.0)	2 (50.0)	5 (55.6)
Other TKI	2 (9.1)	3 (8.8)	1 (9.1)	0	0	2 (22.2)
Radiotherapy	3 (13.6)	7 (20.6)	1 (9.1)	3 (30.0)	2 (50.0)	2 (22.2)
Other	3 (13.6)	5 (14.7)	1 (9.1)	2 (20.0)	0	2 (22.2)

TKI: Tyrosine kinase inhibitor.