Table 1.

Baseline patient characteristics (n = 176,790)^a

Characteristics	Fluid Overload Treatment Episode Defined by Length of Hospital Stay
	≤5 Days		≤4 Days		≤3 Days
	Event	No Event	Event	No Event	Event	No Event
n	25,291	151,499	22,265	154,525	17,457	159,333
Age, years
<45	13.4	15.1	14.0	15.0	15.3	14.8
45 to 64	38.0	38.1	38.5	38.1	39.3	38.0
65 to 74	26.5	24.6	26.2	24.7	25.1	24.8
≥75	22.2	22.2	21.2	22.3	20.3	22.4
Gender
male	51.0	54.1	51.4	54.0	52.3	53.8
female	49.0	45.9	48.6	46.0	47.7	46.2
Race
white	50.7	52.8	50.1	52.8	49.6	52.8
African American	44.3	41.2	44.9	41.2	45.6	41.2
other	5.0	6.0	5.0	6.0	4.8	6.0
Primary cause of ESRD
diabetes	43.1	41.9	42.6	42.0	42.0	42.1
hypertension	32.5	29.3	32.8	29.3	33.0	29.4
GN	10.6	12.2	10.8	12.1	10.9	12.1
other	13.8	16.7	13.8	16.6	14.1	16.5
Comorbid conditions
ASHD	48.0	37.5	47.5	37.7	47.1	38.1
CHF	56.7	40.1	56.4	40.4	56.6	40.9
CVA/TIA	16.3	15.0	16.0	15.1	15.7	15.1
PVD	32.5	29.6	32.3	29.7	31.8	29.8
cardiac (other)	28.3	19.8	28.2	20.0	28.3	20.2
COPD	22.2	13.9	22.2	14.1	22.2	14.3
GI bleeding	7.5	6.3	7.4	6.3	7.5	6.3
liver disease	8.0	7.6	7.9	7.6	7.9	7.6
dysrhythmia	23.0	18.5	22.7	18.6	22.1	18.8
cancer	7.1	7.7	7.0	7.7	6.8	7.7
diabetes	59.2	56.4	58.6	56.6	57.7	56.7
dementia	1.6	2.1	1.6	2.1	1.5	2.1
Baseline hospitalizations, days
0	43.5	57.1	43.9	57.5	44.2	57.7
1 to 7	29.9	21.9	29.4	21.7	28.9	21.6
8 to 14	11.5	8.8	11.6	8.7	11.7	8.6
≥15	15.2	12.2	15.2	12.1	15.2	12.0
Monthly number of dialysis sessions
mean (SD)	13.0 (2.5)	13.0 (3.1)	13.1 (2.5)	13.0 (3.1)	13.1 (2.4)	13.0 (3.1)
median	13.0	13.0	13.0	13.0	13.0	13.0
Dialysis duration, years
<1	17.9	16.7	17.8	16.6	17.8	16.6
1 to <3	35.3	32.4	35.3	32.4	35.4	32.3
3 to <5	21.8	21.3	22.1	21.2	22.0	21.2
≥5	25.1	29.6	24.9	29.8	24.8	29.9

ASHD, atherosclerotic heart disease; COPD, chronic obstructive pulmonary disease; CVA/TIA, cerebrovascular accident/transient ischemic attack; GI, gastrointestinal; PVD, peripheral vascular disease.

^aValues are percents, except average monthly number of dialysis sessions.