Table 3 Stepwise regression analysis for pre-existing diabetic dialysis patients with 5-year survival rate, n = 2956

Age > 60 year

2.31 (2.01–2.65)

2.05 (1.78–2.35)

Gender—male

1.09 (0.96–1.24)

Anti-diabetic drug use

 Non-user

1

1

 OHA

0.44 (0.37–0.53)

0.56 (0.49–0.68)

 Insulin

0.52 (0.43–0.63)

0.66 (0.55–0.80)

Region

 Northern

1

 Central

1.01 (0.86–1.19)

 Southern/Eastern

0.94 (0.81–1.09)

Insured premium (NT$)

 < 15,840

1

 15,840–25,000

0.87 (0.75–1.02)

 > 25,000

0.80 (0.68–0.95)

Urbanization

 Urban

1

 Sub-urban

1.09 (0.95–1.25)

 Rural

1.10 (0.90–1.33)

Hospital characteristics

 Medical center

1.03 (0.89–1.19)

 Region/others

1

Number of admissions during the 12 months leading up to dialysis

 0–1

1

1

 > 1

1.72 (1.51–1.95)

1.59 (1.38–1.83)

Dialysis modality

 Peritoneal dialysis

1

 Hemodialysis

0.86 (0.64–1.15)

Comorbidity

 Hypertension

1.14 (0.98–1.31)

0.73 (0.67–0.91)

 Hyperlipidemia

0.80 (0.69–0.93)

 Gout

1.07 (0.86–1.32)

 Congestive heart failure

1.22 (1.07–1.39)

 Cerebrovascular accident

1.35 (1.16–1.57)

1.21 (1.03–1.41)

 COPD

1.57 (1.27–1.64)

1.21 (0.98–1.49)

 Chronic liver disease

1.65 (1.32–2.07)

1.48 (1.18–1.86)

 Malignancy

1.65 (1.36–2.01)

1.24 (1.01–1.52)

ACEI/ARB use

0.59 (0.52–0.67)

0.56 (0.47–0.68)

Lipid-lowering drug use

0.50 (0.43–0.58)

0.66 (0.55–0.80)