Table 2. T-DM1 progression free survival (PFS) and overall survival (OS) according to treatment line.

T-DM1 treatment line	mPFS (months)	95%CI	mOS(months)	95%CI	N of pts
I	7	6-8	20	13-27	13
II	6	5-7	26	15.6-36.3	98
III	11	6-16	18	13-23	65
IV	6	4-8	18	8-28	38
V and beyond	3	2.7-3.3	16	10-21	31

Abbreviations: 95%CI: confidence interval; m: median; N: number; pts: patients.