. Author manuscript; available in PMC: 2020 Aug 31.

Published in final edited form as: Nat Rev Clin Oncol. 2012 Jan 31;9(3):178–183. doi: 10.1038/nrclinonc.2011.217

Table 3 |.

Data used to construct Kaplan–Meier plot and hazard rate graph in Figure 4

Week	Patients alive and progression free (n)				Hazard rates (fraction per week)		Hazard ratio (hr^E/hr^C)
	Control arm		Experimental arm		Control arm (hr^C)	Experimental arm (hr^E)
	Start of week	End of week	Start of week	End of week

1	100	90	100	95	10/100 = 0.1000	5/100 = 0.0500	0.5
2	90	80	95	90	10/90 = 0.1111	5/95 = 0.0526	0.473
3	80	70	90	85	10/80 = 0.1250	5/90 = 0.0555	0.444
4	70	60	85	80	10/70 = 0.1429	5/85 = 0.0588	0.411
5	60	50	80	75	10/60 = 0.1666	5/80 = 0.0625	0.375
6	50	40	75	70	10/50 = 0.2000	5/75 = 0.0666	0.333
7	40	30	70	65	10/40 = 0.2500	5/70 = 0.0714	0.286
8	30	20	65	60	10/30 = 0.3333	5/65 = 0.0769	0.231
9	20	10	60	55	10/20 = 0.5000	5/60 = 0.0833	0.166
10	10	0	55	50	10/10 = 1	5/55 = 0.0909	0.091