Table 1 Baseline characteristics of the cohort stratified by progression to chronic dialysis

Demographics and health utilization

Age, mean (SD)

64 (±14)

61 (±17)

<0.01

Female gender, n (%)

143 (40)

1 629 (41)

0.92

Rural locale

53 (15)

548 (14)

0.58

Pre-admission nephrology consultation, n (%)

213 (60)

1 004 (25)

<0.01

Pre-admission cardiology consultation, n (%)

216 (61)

1 835 (46)

<0.01

Comorbid disease

Charlson comorbidity score, median (IQR)

4 (2–6)

2 (1–4)

<0.01

Coronary artery disease, n (%)

209 (59)

1 933 (48)

<0.01

Congestive heart failure, n (%)

191 (54)

1 439 (36)

<0.01

Cerebrovascular disease, n (%)

63 (18)

713 (18)

1

Diabetes, n (%)

218 (61)

1 712 (43)

<0.01

Malignancy, n (%)

153 (43)

1 560 (39)

0.12

Liver disease, n (%)

27 (8)

644 (16)

<0.01

Peripheral vascular disease, n (%)

21 (6)

115 (3)

<0.01

Chronic kidney disease, n (%)

204 (57)

551 (14)

<0.01

Hypertension, n (%)

309 (87)

2 738 (68)

<0.01

Dementia, n (%)

25 (7)

334 (8)

0.40

Proteinuria, n (%)

9 (3)

13 (0.3)

<0.01

Hematuria, n (%)

125 (35)

1 060 (26)

<0.01

Conditions during index hospitalization

Sepsis, n (%)

49 (14)

807 (20)

<0.01

Aortic aneurysm repair, n (%)

10 (3)

155 (4)

0.32

Cardiac surgery, n (%)

10 (3)

155 (4)

0.32

Mechanical ventilation, n (%)

163 (46)

2 209 (55)

<0.01

Hospital type

Teaching Hospital, n (%)

173 (49)

1 980 (49)

0.84