Table 6.

Association of cumulative mean β₂M Kt/V during follow-up with cardiac mortality or infectious mortality^a

Parameter	n	Cardiac Mortality			Infectious Mortality
		HR (per 0.1-U Increase)	95% CI	P	HR (per 0.1-U Increase)	95% CI	P
Entire cohort	1826	0.97	0.94 to 1.01	0.11	0.98	0.93 to 1.02	0.34
Subgroup with ≤3.7 yr of dialysis	1254	1.00	0.95 to 1.04	0.82	0.99	0.94 to 1.05	0.77
Subgroup with >3.7 yr of dialysis	572	0.93	0.87 to 1.00	0.036	0.93	0.86 to 1.01	0.10

^aAdjusted for baseline age, gender, race, diabetes, years on dialysis, kinetically modeled urea distribution volume, comorbidity index, serum albumin level, residual kidney urea clearance, dialyzer flux, and ultrafiltration volume normalized by body weight.