Table 6 Risk factors associated with having lower Mini-Mental State Examination (MMSE) scores (<24) estimated by logistic regression analysis

Age

1.01

0.95 to 1.06

0.830

Gender

1.42

0.36 to 5.56

0.619

Amount of education (years)

0.74

0.57 to 0.97

0.05

Duration of hemodialysis (years)

1.03

0.93 to 1.13

0.608

Erythrocyte count (10⁴/mm³)

1.00

0.98 to 1.01

0.537

Albumin (g/dl)

1.54

0.37 to 6.37

0.549

Sodium (mEq/l)

0.86

0.74 to 1.00

0.05

Potassium (mEq/l)

0.77

0.33 to 1.83

0.558

Uric acid (mg/dl)

0.79

0.52 to 1.20

0.265

Creatinine (mg/dl)

0.95

0.75 to 1.21

0.681

Blood urea nitrogen (mg/dl)

1.01

0.97 to 1.05

0.578

Dry weight (kg)

0.94

0.88 to 1.00

0.061

Amount of hemodialysis (Kt/V)

0.27

0.06 to 1.36

0.113

History of diabetes mellitus

2.07

0.66 to 6.46

0.211

History of hypertension

2.04

0.76 to 5.48

0.157

History of heart disease

1.16

0.34 to 4.02

0.810

History of cerebrovascular disease

3.07

0.98 to 9.66

0.055