N
0
/M
0
>N
0
/M
0
Oesophageal
Gastric
Oesophageal
Gastric
2014
4
1
14
7
2015
10
1
17
9
OR (localised oesophageal cancer): 2.06, 95% CI 0.53 to 8.01, p=0.34
OR (localised gastric cancer): 0.78, 95% CI 0.04 to 14.75, p=1.00
N/A, not applicable.