Table 1 Pre-hospitalization, hospitalization, and post-hospitalization characteristics

Age, yrs

67 [60–73]

67 [61–73]

0.48

Male

61%

64%

0.21

Race/Ethnicity

 Hispanic

10%

8%

0.67

 Non-Hispanic Black

47%

49%

 Non-Hispanic White

40%

40%

Diabetes mellitus

68%

68%

1.00

Estimated GFR, mL/min/1.73m²

47 [35–57]

46 [34–57]

0.10

Urine protein to creatinine ratio, g/g

0.24 [0.10–0.99]

0.26 [0.08–0.90]

0.48

Systolic blood pressure, mmHg

126 [113–142]

127 [114–139]

0.50

Days between pre-hospitalization measurement and admission

221 [138–291]

220 [123–283]

0.06

Hospitalization Characteristics

 AKI Stage^a

  Stage 1

66%

N/A

N/A

  Stage 2

28%

N/A

N/A

  Stage 3

7%

N/A

N/A

Cardiovascular Hospitalization

25%

27%

0.73

Infection-related Hospitalization

14%

8%

0.12

Post-Hospitalization Annual CRIC Visit Characteristics

 Estimated GFR, mL/min/1.73m²

42 [31–55]

46 [32–59]

 < 0.01

 Urine protein to creatinine ratio, g/g

0.31 [0.11–1.06]

0.27 [0.10–0.91]

0.55

 Systolic blood pressure, mmHg

128 [113–143]

126 [115–138]

0.47

 Days between discharge and post-hospitalization measurement

161 [93–229]

160 [93–247]

0.20

 Days between pre-hospitalization and post-hospitalization measurements

369 [348–413]

365 [349–390]

 < 0.01