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Table 2 Multivariable analysis of mortality at 2 years

From: Risk scores to predict mortality 2 and 5 years after surgery for colorectal cancer in elderly patients

Effects

Beta (s.e.)

HR (95% CI)

p value

Scoring weight

Hgb (g/dl) at baseline and localisation

 Hgb > 10 and rectum (n = 67)

0.02 (0.35)

1.02 (0.51, 2.02)

0.96

0

 Hgb > 10 and colon (n = 231)

Reference

0

 Hgb ≤ 10 and rectum (n = 6)

− 0.31 (0.78)

0.74 (0.16, 3.36)

0.69

0

 Hgb ≤ 10 and colon (n = 62)

0.90 (0.26)

2.45 (1.47, 4.10)

< 0.001

4

ASA class

 I, II, III (n = 334)

Reference

0

 IV (n = 32)

1.27 (0.32)

3.55 (1.91, 6.58)

< 0.001

5

Residual tumour classification

 R0 (n = 341)

Reference

0

 R1 (n = 16)

0.30 (0.46)

1.34 (0.55, 3.28)

0.52

0

 R2 (n = 9)

2.06 (0.47)

7.82 (3.11, 19.62)

< 0.001

7

TNM

 0, I, II (n = 218)

Reference

0

 III (n = 120)

0.76 (0.28)

2.14 (1.23, 3.72)

0.007

3

 IV (n = 28)

1.17 (0.40)

3.21 (1.47, 7)

0.003

4

LODDS

 Less than or equal to − 1.36 (n = 309)

Reference

0

 (− 1.36, − 0.53] (n = 30)

0.55 (0.35)

1.73 (0.87, 3.43)

0.12

0

 Greater than − 0.53 (n = 27)

1.12 (0.33)

3.08 (1.62, 5.86)

< 0.001

4

Complications during admission

 No (n = 163)

Reference

0

 Yes (n = 203)

0.55 (0.25)

1.73 (1.07, 2.80)

0.03

2

C-index*

0.80 (0.78, 0.87)

 

GND test*

< 0.001

 
  1. Hgb haemoglobin (g/dl), Beta (s.e.) regression coefficient and its standard error, HR hazard ratio, CI confidence interval, C-index concordance index, GND the Greenwood-Nam-D'Agostino test, Reference: reference category. *Hospital-adjusted values