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Table 2 Five-year excess mortality rate ratios (EMRR) and hazard ratios (HR) and 95% confidence intervals (CI) for First Nations compared to non-Aboriginals, by method (1991 Census Mortality Cohort, 2001–2009)

From: Choice of relative or cause-specific approach to cancer survival analysis impacts estimates differentially by cancer type, population, and application: evidence from a Canadian population-based cohort study

 

Relative survival with ethnicity-specific life tables

Relative survival with general population life tables

Cause-specific survival with a broad definition of cancer death

Cause-specific survival with a narrow definition of cancer death

(RS-ELT)

(RS-GLT)

(CS-Broad)

(CS-Narrow)

Cancer site

EMRR

95% CI

EMRR

95% CI

HR

95% CI

HR

95% CI

Colorectal

1.57

(1.32–1.88)

1.67

(1.41–1.98)

1.40

(1.17–1.67)

1.51

(1.24–1.83)

Lung & bronchus

1.20

(1.06–1.36)

1.22

(1.08–1.38)

1.20

(1.05–1.36)

1.20

(1.05–1.36)

Breast

2.03

(1.45–2.84)

2.40

(1.78–3.24)

1.47

(1.05–2.06)

1.56

(1.11–2.18)

Prostate

1.26

(0.34–1.60)

2.29

(0.89–5.86)

1.95

(1.34–2.84)

2.05

(1.39–3.02)

Kidney

1.02

(0.70–1.49)

1.11

(0.78–1.59)

0.96

(0.67–1.38)

0.96

(0.65–1.41)

NHL

1.61

(1.09–2.37)

1.69

(1.16–2.46)

1.51

(1.02–2.25)

1.46

(0.95–2.24)

Stomach

1.23

(0.90–1.67)

1.25

(0.92–1.69)

1.19

(0.87–1.63)

1.15

(0.80–1.66)

Oral cavity & pharynx

1.64

(1.02–2.65)

1.73

(1.09–2.74)

1.72

(1.07–2.75)

1.58

(0.89–2.81)

Cervix

1.99

(1.14–3.46)

2.07

(1.21–3.55)

1.93

(1.09–3.42)

2.11

(1.16–3.84)

  1. NOTES: Bolded text indicates a statistically significant disparity in survival between the two populations
  2. First primaries only, cases aged 45 to 90 at diagnosis, diagnosed between January 1, 2001, and December 31, 2009, excluding Quebec
  3. Adjusted for age and sex
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Population Health Metrics

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