Table 3.

Summary Statistics and Comparison of Baseline Characteristics for RRT and no RRT Groups for Landmark Analysis at Day 7.

Patient’s Characteristics and Clinical Factors	RRT (n = 82) Mean ± SD	No RRT (n = 227) Mean ± SD	P Value
Including all patients included in RRT and no RRT groups
Patient age at time of hospital admission	60.43 ± 12.84	60.20 ± 13.82	.8946
Number of days patient was hospitalized	24.39 ± 18.94	23.46 ± 25.54	.7308
Baseline serum albumin test	2.74 ± 0.63	2.93 ± 0.68	.0281
Baseline creatinine	3.23 ± 2.37	2.46 ± 2.58	.0194
GFR during first ICU admission	31.79 ± 25.38	52.02 ± 41.38	<.0001
ADM SOFA during first ICU admission	9.54 ± 4.27	6.99 ± 3.36	<.0001
Max SOFA during first ICU admission	15.30 ± 4.49	9.52 ± 4.38	<.0001
Patient’s Characteristics and Clinical Factors	RRT (n = 60) Mean ± SD	No RRT (n = 60) Mean ± SD	Standardized mean difference	Variance ratio
Including patients in propensity score-matched cohorts
Patient age at time of hospital admission	59.59 ± 13.46	60.99 ± 13.43	−0.10	1.00
Baseline serum albumin test	2.87 ± 0.61	2.81 ± 0.72	−0.09	0.70
Baseline creatinine	3.26 ± 2.58	2.82 ± 1.89	0.20	1.86
GFR during first ICU admission	34.40 ± 28.23	33.87 ± 23.70	0.02	1.42
Max SOFA during first ICU admission	13.92 ± 4.33	13.32 ± 3.71	0.15	1.36

Abbreviations: ICU, intensive care unit; GFR, glomerular filtration rate; RRT, renal replacement therapy; SD, standard error; SOFA, Sequential Organ Failure Assessment.