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Table 4 Regression analysis of cause-specific mortality (Cox proportional hazard regression), relative survival (Poisson regression), and competing risk (Fine-Gray regression), all cancers combineda, Australia NT, 1991–2009

From: Different survival analysis methods for measuring long-term outcomes of Indigenous and non-Indigenous Australian cancer patients in the presence and absence of competing risks

 

Relative survival

Cause-specific

Competing (due to cancers)

Competing (other death)

 

HR (95% CI)b

HR (95% CI)

SHR (95% CI)

SHR (95% CI)

Indigenousc

 1st year after diagnosis

2.15 (1.96–2.36)

2.17 (1.98–2.38)

1.97 (1.79–2.17)

1.67 (1.16–2.42)

 2nd year after diagnosis

1.35 (1.11–1.64)

1.47 (1.22–1.76)

1.53 (1.27–1.85)

2.75 (1.57–4.81)

 3rd year after diagnosis

1.09 (0.79–1.52)

1.32 (1.01–1.72)

1.45 (1.11–1.90)

5.10 (2.89–8.99)

 4th year after diagnosis

1.29 (0.83–1.99)

1.26 (0.87–1.80)

1.44 (1.00–2.08)

8.96 (4.60–17.47)

 5th year after diagnosis

0.56 (0.25–1.28)

0.78 (0.46–1.32)

0.95 (0.56–1.62)

5.72 (2.75–11.88)

Female vs male

0.83 (0.77–0.90)

0.84 (0.78–0.90)

0.85 (0.78–0.92)

0.71 (0.54–0.93)

Age at diagnosisd

 Non-Indigenous

1.03 (1.03–1.03)

1.03 (1.03–1.03)

1.03 (1.02–1.03)

1.07 (1.06–1.08)

 Indigenous

1.02 (1.01–1.02)

1.01 (1.01–1.02)

1.01 (1.00–1.02)

1.05 (1.03–1.07)

  1. aModel adjusted for cancer site (with colorectal cancer as the reference category for cancer site)
  2. b HR hazard ratio, SHR standard hazard ratio
  3. cApplies to the reference categories of the interaction terms (i.e., people of median age 55 years)
  4. dPer year of age