Table 1 Univariate survival analysis by recipient, donor and transplant factors for transplants carried out between 2003 and 2012 (N = 12,307)

Recipient age

 18-29

997

8.1

43

4.3

<0.001*

 30-39

2034

16.5

115

5.7

 40-49

3185

25.9

256

8.0

 50-59

3110

25.3

407

13.1

  > 60

2981

24.2

682

22.9

Recipient gender

 Male

7628

62.0

984

12.9

0.002

 Female

4673

38.0

517

11.1

 Not reported

6

0.1

-

-

Recipient ethnicity

 White

9871

80.2

1248

12.6

0.033

 Asian

1376

11.2

164

11.9

 Other

1049

8.5

90

8.6

 Not reported

11

0.1

-

-

Transplanted organs

 Kidney only

11013

89.5

1368

12.4

0.253

 Kidney and pancreas

1294

10.5

135

10.4

Pre-emptive transplant

 No

11019

89.5

1406

12.8

<0.001

 Yes

1270

10.3

92

7.2

 Not reported

18

0.2

-

-

cRF

 0-9 %

10026

81.5

1229

12.3

0.356

 10-29 %

523

4.3

55

10.5

 30-84 %

1357

11.0

171

12.6

 85-100 %

401

3.3

48

12.0

Waiting time

 < 6 months

1941

15.8

243

12.5

0.003*

 6 months to <2 years

4129

33.6

538

13.0

 > 2 years

6237

50.7

722

11.6

Primary renal disease

 Glomerulonephritis

1849

15.0

186

10.1

<0.001

 Diabetic nephropathy (type 1)

1705

13.9

230

13.5

 Diabetic nephropathy (type 2)

380

3.1

71

18.7

 Renal vascular disease

545

4.4

78

14.3

 Polycystic kidney disease

1513

12.3

147

9.7

 Pyelonephritis

804

6.5

95

11.8

 Other

1573

12.8

181

11.5

 Not reported

3938

32.0

515

13.1

Donor age

 < 40

3650

29.7

306

8.4

<0.001*

 40-49

2754

22.4

324

11.8

 50-59

3200

26.0

416

13.0

 > 60

2703

22.0

457

16.9

Donor type

 Brain-death donor

8812

71.6

1117

12.7

0.003

 Circulatory-death donor

3495

28.4

386

11.0

Donor hypertension

 No

8688

70.6

938

10.8

<0.001

 Yes

2525

20.5

386

15.3

 Not reported

1094

8.9

179

16.4

Donor diabetes

 Negative

10790

87.7

1268

11.8

0.021

 Positive

541

4.4

69

12.8

 Not reported

976

7.9

166

17.0

Donor weight

 < 55 kg

3150

25.6

380

12.1

0.036

 55-65 kg

723

5.9

62

8.6

 65-75 kg

1721

14.0

215

12.5

 75-85 kg

3234

26.3

411

12.7

 85-95 kg

1973

16.0

226

11.5

 > 95 kg

1342

10.9

168

12.5

 Not reported

164

1.3

-

-

Donor cause of death

 Trauma

1510

12.3

158

10.5

<0.001

 Intracranial

7954

64.6

1059

13.3

 Other

2843

23.1

286

10.1

HLA mismatch

 Level 1 [000]

1485

12.1

193

13.0

0.001*

 Level 2 [0 DR + 0/1 B]

4002

32.5

467

11.7

 Level 3 [0 DR + 2 B] or [1 DR + 0/1 B]

5192

42.2

624

12.0

 Level 4 [1 DR + 2 B] or [2 DR]

1628

13.2

219

13.5

Cold ischaemia time

  < 12 hrs

2061

16.8

177

8.6

0.310*

 12 to <18 hrs

5859

47.6

691

11.8

 18 to <24 hrs

2930

23.8

427

14.6

 > = 24 hrs

1264

10.3

186

14.7

 Not reported

193

1.6

-

-