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Table 1 Characteristics of the study population: proportions by site sex, age, stage, deprivation, rurality and comorbidity

From: A retrospective cohort study of patients with stomach and liver cancers: the impact of comorbidity and ethnicity on cancer care and outcomes

   Māori Non-Māori  
  Total cohort1 Unadj Age Std2 Unadj Age Std2  
  n (total =524) % n (total =269) % % n (total =269) % % p
Cancer site          
Liver cancer 189 36% 97 36%   92 36%   
Stomach cancer 335 64% 172 64%   163 64%   
Sex          0.104
Male 349 67% 170 63% 64% 179 70% 70%  
Female 175 33% 99 37% 36% 76 30% 30%  
Age (years)          
25-49 105 20% 73 27% - 32 13% -  
50-64 152 29% 96 36% - 56 22% -  
65-74 139 27% 64 24% - 75 29% -  
75+ 128 24% 36 13% - 92 36% -  
Mean age (SD) 64 (15)   60 (14)    68 (14)    <0.001
Stage (TNM)          0.688
I 84 16% 41 15% 16% 43 17% 17%  
II 93 18% 51 19% 19% 42 16% 17%  
III 116 22% 59 22% 22% 57 22% 22%  
IV 226 43% 118 44% 42% 108 42% 43%  
Unstaged 5 1% 0 - - 5 2% 2%  
NZDep (Deciles)          <0.001
Lowest deprivation: 1-2 38 7% 12 5% 5% 26 10% 10%  
3-4 61 12% 18 7% 7% 43 17% 17%  
5-6 81 16% 32 12% 11% 49 20% 19%  
7-8 112 22% 47 18% 18% 65 26% 27%  
Highest deprivation: 9-10 217 43% 151 58% 60% 66 27% 27%  
Rurality          <0.001
Urban 371 73% 166 64% 65% 205 82% 83%  
Independent urban 77 15% 51 20% 19% 26 10% 10%  
Rural 61 12% 43 17% 16% 18 7% 7%  
Common comorbidities          
Angina 78 16% 36 13% 17% 42 16% 14% 0.376
Hypertension 200 39% 106 39% 46% 94 37% 33% <0.001
Myocardial infarction 41 9% 16 6% 7% 25 10% 8% 0.735
Arrhythmia 84 17% 38 14% 18% 46 18% 16% 0.545
CHF 51 9% 29 11% 15% 22 9% 7% <0.001
Mild CPD 32 6% 17 6% 7% 15 6% 5% 0.385
Mod/Severe CPD 41 9% 16 6% 8% 25 10% 8% 0.818
CVD 53 12% 19 7% 9% 34 13% 11% 0.418
Uncomplicated diabetes 131 23% 74 28% 29% 57 22% 22% 0.100
Other primary tumour 48 10% 19 7% 8% 29 11% 10% 0.595
Mod/severe renal disease 27 4% 19 7% 9% 8 3% 3% <0.001
Obesity 45 7% 31 12% 10% 14 5% 5% 0.028
C3 Index category 3          0.050
0 212 40% 108 40% 36% 104 41% 43%  
1 92 18% 47 17% 17% 45 18% 19%  
2 74 14% 35 13% 13% 39 15% 15%  
3 146 28% 79 29% 34% 67 26% 23%  
  1. 1Total cohort results weighted to total liver/stomach cancer population (2006–2008). 2Age standardised to total NZ cancer population (2006–2008). 3 C3 index category: ’0’ (C3 Index score < =0), ‘1’ (0 < score < =1), ‘2’ (1 < score < =2) and ‘3’ (score >2).