Table 2 One-year and five-year survival after breast cancer for three comorbidity groups together with 1- and 5-year relative mortality for patients with Charlson scores of 1–2 and 3+ compared to patients with a Charlson score of 0 for each diagnostic period

From: Comorbidity and survival of Danish breast cancer patients from 1995 to 2005

 

Charlson score

 

0

1–2

3+

Breast cancer 1995–1997

 Number of patients

2423

360

36

 Median age (years)

59

73

72

 1 year

   

% Survival

93% (91–94%)

79% (74–83%)

72% (55–84%)

Crude MR

1 (reference)

3.15 (2.41–4.13)

4.23 (2.24–8.00)

MR adjusted for age

1 (reference)

2.43 (1.84–3.21)

3.21 (1.69–6.08)

 5 year

   

% Survival

71% (70–73%)

46% (41–51%)

39% (23–54%)

Crude MR

1 (reference)

2.38 (2.03–2.79)

3.09 (2.02–4.72)

MR adjusted for age

1 (reference)

1.89 (1.61–2.23)

2.43 (1.59–3.72)

Breast cancer 1998–2000

 Number of patients

2518

431

54

 Median age (years)

60

72

73

 1 year

   

% Survival

93% (92–94%)

81% (77–85%)

80% (66–88%)

Crude MR

1 (reference)

2.74 (2.11–3.56)

3.07 (1.67–5.63)

MR adjusted for age

1 (reference)

2.01 (1.53–2.63)

2.25 (1.22–4.15)

 5 year

   

% Survival

74% (72–75%)

54% (49–58%)

38% (24–51%)

Crude MR

1 (reference)

2.10 (1.79–2.47)

3.15 (2.22–4.48)

MR adjusted for age

1 (reference)

1.60 (1.36–1.88)

2.34 (1.65–3.33)

Breast cancer 2001–2004 a

 Number of patients

2829

565

84

 Median age (years)

59

72

76

 1 year

   

% Survival

94% (93–95%)

85% (81–87%)

67% (55–76%)

Crude MR

1 (reference)

2.66 (2.06–3.44)

6.22 (4.17–9.27)

MR adjusted for age

1 (reference)

1.76 (1.35–2.30)

3.78 (2.51–5.68)

  1. MR=mortality ratio.
  2. Figures in parentheses show 95% confidence intervals.
  3. aIt was not possible to compute a 5-year survival or mortality ratio for patients diagnosed between 2001 and 2004 because of the short follow-up period.
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