. Author manuscript; available in PMC: 2012 Jan 30.

Published in final edited form as: Stat Med. 2010 Nov 5;30(2):152–159. doi: 10.1002/sim.4110

Table II.

Estimated median residual lifetimes in node-negative and node-positive groups, the ratios, and 95% confidence intervals for the ratios (NSABP B-04 data).

	Median Residual Lifetime		Ratio	95% CI
t₀	Node-Negative	Node-Positive		J	EL
0	12.46 (11.2,13.5)	6.87 (6.4,7.4)	0.55	(0.49, 0.63)	(0.49, 0.63)
2	12.44 (11.2,13.6)	6.93 (5.9,8.1)	0.56	(0.47, 0.70)	(0.47, 0.70)
4	13.05 (11.8,14.8)	8.24 (6.8,10.2)	0.63	(0.49, 0.81)	(0.49, 0.81)
6	13.40 (12.5,14.3)	8.75 (7.7,10.6)	0.65	(0.54, 0.81)	(0.56, 0.82)
8	12.91 (11.9,13.8)	10.19 (8.8,11.6)	0.79	(0.66, 0.93)	(0.67, 0.93)
10	12.48 (11.2,13.7)	9.66 (8.2,11.8)	0.77	(0.62, 1.00)	(0.62, 1.00)
12	11.85 (10.6,13.0)	9.66 (7.5,12.6)	0.82	(0.63, 1.08)	(0.63, 1.08)