Table 2.

Per-session outcomes by dialysate sodium prescription (modeling versus stable sodium value) prior to each session (n = 892).

	Sodium Modeling (N=242)	Stable dialysate sodium (N=650)
IDH
N (%) affected sessions	36 (14.9%)	59 (9.1%)
Crude OR (95% CI)	1.70 (1.02–2.84) p=0.04	1 (ref)
Multivariable adjusted OR (95% CI)†	0.88 (0.49–1.59) p=0.67	1 (ref)
Propensity score adjusted OR (95% CI) ‡	0.87 (0.47–1.61) p=0.66	1 (ref)
Failure to achieve UF goal
N (%) affected sessions	118 (48.8%)	228 (35.1%)
Crude OR (95% CI)	1.67 (1.18–2.37) p=0.004	1 (ref)
Multivariable adjusted OR (95% CI)†	1.47 (0.99–2.20) p=0.06	1 (ref)
Propensity score adjusted OR (95% CI) ‡	1.41 (0.94–2.10) p=0.10	1 (ref)
Achieved UF volume
Mean +/− SD	2.00 +/− 1.29	2.13 +/− 1.37
Crude difference (95% CI)	0.08 (−0.13 to 0.29) p=0.46	0 (ref)
Multivariable adjusted difference†	−0.01 (−0.16 to +0.13) p=0.84	0 (ref)
Propensity score adjusted difference‡	+0.19 (−0.05 to +0.42) p=0.12	0 (ref)

^†Adjusted for pre-HD systolic blood pressure, vasopressor use, age, sex, race (white vs nonwhite), diabetes, hypertension, systolic congestive heart failure, cirrhosis, albumin, BUN, respiratory support, ICU location (MICU versus SICU), sequential UF-HD, cooled dialysate, albumin given with dialysis, urine output in the 24 hours prior to the dialysis (oliguric versus non-oliguric), prior CRRT, total SOFA score, day of hospitalization, and initial UF goal.

^‡Adjusted for pre-HD systolic blood pressure, vasopressor use, and a propensity score based on likelihood of sodium modeling prescription using age, sex, race (white vs nonwhite), diabetes, hypertension, systolic congestive heart failure, cirrhosis, albumin, BUN, respiratory support, ICU location (MICU versus SICU), sequential UF-HD, cooled dialysate, albumin given with dialysis, urine output in the 24 hours prior to the dialysis (oliguric versus non-oliguric), prior CRRT, total SOFA score, day of hospitalization, and initial UF goal.