Table 3.

Relative hazards of death for daily home hemodialysis patients in intention-to-treat analysis, after adjustment for a hypothetical unmeasured binary factor U^a

HRb for U	Prevalence (%) of U in Matched Thrice-Weekly In-Center Hemodialysis Patients
	100	90	80	70	60	50	40	30	20	10	0
0.90	0.87	0.88	0.89	0.90	0.91	0.92	0.93	0.94	0.95	0.96	0.97
0.80	0.87	0.89	0.91	0.94	0.96	0.98	1.00	1.02	1.04	1.07	1.09
0.70	0.87	0.91	0.94	0.98	1.02	1.06	1.09	1.13	1.17	1.21	1.24
0.60	0.87	0.93	0.99	1.04	1.10	1.16	1.22	1.28	1.33	1.39	1.45
0.50	0.87	0.96	1.04	1.13	1.22	1.31	1.39	1.48	1.57	1.65	1.74

Referent: matched thrice-weekly in-center hemodialysis patients.

^aThe prevalence of U was assumed to be 100% in daily home hemodialysis patients.

^bThe independent effect of U (e.g., yes versus no) on risk of death.