Table 4 Risk assignment score during hemodialysis

Duration of hemodialysis

1~4 years

0

5~7 years

0

8~21 years

6

Having hypotension during last hemodialysis

Yes

3

No

0

Having hyperglycemia on the latest hemodialysis night

Yes

2

No

0

Blood potassium

<3.5mmol/L or >5.5mmol/L

2

3.5~5.5mmol/L

0

Serum albumin

<35 g/L

5

≥ 35 g/L

0