All cases | Surgical cases | Non-surgical cases | |||||
---|---|---|---|---|---|---|---|
1-year survival estimate | HR | 95% CI | HR | 95% CI | HR | 95% CI | |
Area of residence | p=0.279 | ||||||
Urban | 33.3% | Reference | Ref | Ref | |||
Rural | 33.1% | 0.90*** | 0.87 to 0.94 | 1.00 | 0.89 to 1.11 | 0.88*** | 0.85 to 0.92 |
Area socioeconomic level | p<0.001 | ||||||
Most disadvantaged | 31.1% | Ref | Ref | Ref | |||
Second quartile | 32.4% | 0.91*** | 0.86 to 0.96 | 0.79* | 0.69 to 0.92 | 1.29*** | 1.19 to 1.38 |
Third quartile | 33.3% | 0.94*** | 0.89 to 0.99 | 0.93* | 0.81 to 1.07 | 1.49*** | 1.39 to 1.60 |
Most advantaged | 36.1% | 0.87*** | 0.83 to 0.92 | 0.89* | 0.78 to 1.02 | 1.92*** | 1.78 to 2.07 |
Smoking status at diagnosis | p<0.001 | ||||||
Never smoked | 37.6% | Ref | Ref | Ref | |||
Current smoker | 31.5% | 1.43*** | 1.33 to 1.53 | 1.76*** | 1.45 to 2.15 | 1.28*** | 1.19 to 1.38 |
Former smoker | 35.8% | 1.27*** | 1.18 to 1.36 | 1.43*** | 1.17 to 1.76 | 1.14*** | 1.06 to 1.23 |
Unknown status | 30.1% | 1.40*** | 1.29 to 1.53 | 1.59*** | 1.23 to 2.05 | 1.34*** | 1.22 to 1.46 |
Stage at diagnosis | p<0.001 | ||||||
I | 64.1% | Ref | Ref | Ref | |||
II | 50.4% | 1.81*** | 1.66 to 1.96 | 2.28*** | 2.00 to 2.59 | 1.40*** | 1.25 to 1.56 |
III | 32.1% | 2.16*** | 2.01 to 2.31 | 3.35*** | 2.95 to 3.82 | 1.66*** | 1.53 to 1.79 |
IV | 19.3% | 2.89*** | 2.70 to 3.08 | 2.20*** | 1.87 to 2.60 | 2.59*** | 2.40 to 2.80 |
Unknown | 22.4% | 1.69*** | 1.57 to 1.81 | 2.22*** | 1.68 to 2.93 | 1.60*** | 1.47 to 1.74 |
Year of diagnosis | p<0.001 | ||||||
1994–2000 | 27.9% | Ref | |||||
2001–2011 | 35.9% | 1.04* | 1.00 to 1.09 | 0.84*** | 0.76 to 0.92 | 0.95* | 0.91 to 0.99 |
Cancer-directed surgery | p<0.001 | ||||||
No | 22.5% | Ref | – | – | |||
Yes | 70.7% | 0.17*** | 0.16 to 0.18 | – | – | ||
Chemotherapy | p<0.001 | ||||||
No | 29.2% | Ref | – | – | |||
Yes | 44.2% | 0.64*** | 0.61 to 0.67 | – | – | ||
Radiotherapy | p=0.526 | ||||||
No | 31.6% | Ref | – | – | |||
Yes | 34.9% | 0.74*** | 0.72 to 0.77 | – | – |
Adjusted age-standardised HRs controlling for variables in the table as well as age, sex, and marital status, 95% CIs, and significance from Wald tests.
Significant at the *0.05 level, ***0.001 level of significance.