Table 4 Results for the final multivariable cox proportional hazard model among type 2 diabetes mellitus patients in Amhara region comprehensive specialized hospitals Northwest Ethiopia, 2017–2022 (n = 514)

Age in years

30–39(R)

1

1

1

40–49

0.814(0.614, 1.079)

0.823

(0.6148, 1.102)

0.191

50–59

0.568(0.422, 0.763)

0.630

(0.463, 0.859)

< 0.01^*

60–69

0.491(0.366, 0.658)

0.638

(0.471, 0.865)

< 0.01^*

70or more

0.318(0.199, 0.508)

0.480

(0.298, 0.774)

< 0.01*

Sex

Male

0.778(0.633, 0.958)

0.910

(0.732, 1.133)

0.400

Female(R)

1

1

1

Residence

Urban

0.869 (0.705,1.071)

0.829

(0.664, 1.035)

0.098

Rural(R)

1

1

1

History of diabetes related complication

Yes

0.568(0.457, 0.706)

0.878

(0.663 1.163)

0.365

No(R)

1

1

1

Nephropathy

Yes

0.443(0.259, 0.757)

0.791

(0.426, 1.469)

0.459

No (R)

1

1

1

Neuropathy

Yes

0.425(0.316, 0.570)

0.629

(0.441,0.900)

0.011^*

No(R)

1

1

1

Retinopathy

Yes

0.651(0.374,1.133)

0.862

(0.479, 1.550)

0.621

No(R)

1

1

1

Foot ulcer

Yes

0.559(0.314, 0.996)

0.703

(0.377, 1.309)

0.267

No(R)

1

1

1

MO complication

Yes

0.172(0.077, 0.386)

0.448

(0.183, 1.094)

0.078

No(R)

1

1

1

HC illness

Yes

0.457(0.373, 0.561)

0.7978

(0.631, 1.008)

0.059

No(R)

1

1

1

HTN

Yes

0.438(0.352, 0.546)

0.667

(0.524, 0.848)

< 0.01^*

No(R)

1

1

1

Dyslipidemia

Yes

0.408(0.305, 0.546)

0.561

(0.410, 0.768)

< 0.01^*

No(R)

1

1

1

CVD

Yes

0.478(0.353, 0.648)

0.681

(0.494, 0.938)

0.019^*

No(R)

1

1

1

RD

Yes

0.611(0.379, 0.983)

0.698

(0.426, 1.142)

0.153

No(R)

1

1

1

ND

Yes

0.665(0.414, 1.0689)

0.664

(0.407, 1.084)

0.102

No(R)

1

1

1

CRD

Yes

0.549(0.272, 1.109)

0.673

(0.319, 1.417)

0.297

No(R)

1

1

1

MOC illness

Yes

0.409(0.319, 0.523)

0.801

(0.597, 1.075)

0.140

No(R)

1

1

1