Table 3.

Multivariable analysis of factors associated with duration of abiraterone treatment

Factors	Hazard ratio (95%CI)	P value
ECOG status
≤1	1.00
>1	1.75 (0.96‐3.44)	.068
PSA at AA initiation (ng/mL)
≤61	1.00
>61	2.04 (1.10‐3.79)	.024
PSA response*
No	1.00
Yes	0.42 (0.22‐0.80)	.008
Chemotherapy status
Chemo‐naïve	1.00
Post‐chemo	1.91 (1.03‐3.54)	.040

Abbreviations: AA, abiraterone acetate; CI, confidence interval; ECOG, Eastern Cooperative Oncology Group.

^*≥50% PSA decline from baseline within 12 wks.

Colour shaded values indicates statistical significant P‐values.