Table 4.

Test for non-proportionality based on the Cumulative residuals from the conventional Cox model (see table 1).

Variable	p-value
Age	0.97
Grade II	0.02
Grade III	<0.01
Size	0.16
Lymph node involvement	0.75
PVI	0.11
Hormone receptor	<0.01
Her2	<0.01
Mib1	<0.01