Table 2.

Trend of mortality risk for patients with metastatic breast cancer (Joinpoint model)

	Time period (mo)	No. of deaths	CFR (%)	SEM	Cumulate survival rate (%)	APC	95% CI
Trend 1	0 to 6	42	5.4	0.01	94.6	21.6*	1.0 to 46.3
	7 to 12	68	9.6	0.01	85.5
	13 to 18	71	11.6	0.01	75.6
Trend 2	19 to 24	59	11.5	0.01	66.9	-4.5*	-8.2 to -0.7
	25 to 30	53	12.7	0.02	58.4
	31 to 36	26	8.3	0.02	53.5
	37 to 42	22	8.9	0.02	48.8
	43 to 48	17	8.6	0.02	44.6
	49 to 54	9	5.8	0.02	42.0
	55 to 60	8	6.6	0.02	39.2

CFR, case fatality rate; SEM, standard error of mean; APC, annual percentage change; CI, confidence interval.

^*p < 0.05.