Table 6 Multivariate competing risks regression analysis for risk of death from CRC, for stage D CRC

Site

Colon

400/438

1.00

-

-

Rectum

185/211

0.71

0.58-0.87

0.001

Stage dukes

A

-

-

-

B

-

-

-

C

-

-

-

Grade

Low

8/10

1.00

-

-

Intermediate

314/358

1.25

0.53-2.94

0.605

High

143/155

2.04

0.86-4.83

0.105

Unknown

120/126

2.26

0.94-5.42

0.067

Age group

50-59

126/143

1.00

-

-

60-69

185/205

1.15

0.90-1.47

0.254

70-79

274/301

1.15

0.90-1.46

0.261

Sex

Female

237/263

1.00

-

-

Male

348/386

1.11

0.92-1.33

0.295

Private Insurance

No

334/360

1.00

-

-

Yes

251/289

0.80

0.67-0.96

0.016

Comorbidity

None

361/396

1.00

-

-

One (not severe)

106/126

0.87

0.68-1.11

0.259

Multiple / severe

118/127

1.13

0.87-1.45

0.364

SES quintile

Low

166/182

1.00

-

-

Low-mid

116/129

0.85

0.65-1.11

0.231

Middle

104/113

1.07

0.81-1.41

0.622

Mid-high

107/113

1.15

0.90-1.48

0.259

High

92/112

0.65

0.47-0.89

0.007

Residence

Urban

429/478

1.00

-

-

Outer urban

48/55

1.00

0.74-1.34

0.975

Rural

71/77

1.05

0.79-1.41

0.724

Remote

37/39

0.91

0.67-1.23

0.553

Surgery^a

No

189/199

1.00

-

-

Yes

396/450

0.58

0.46-0.72

0.000

Radiotherapy^a

No

485/540

1.00

-

-

Yes

100/109

1.25

0.98-1.58

0.068

Chemotherapy^a

No

233/258

1.00

-

-

Yes

352/391

0.62

0.51-1.04

0.000

Diagnosis year

(continuous)

585/649

0.99

0.94-1.04

0.619