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. Author manuscript; available in PMC: 2018 Jun 15.
Published in final edited form as: Int J Cancer. 2017 Dec 4;142(7):1480–1489. doi: 10.1002/ijc.31168

Table 1.

Participating countries, study period, follow-up time, and number of surgically resected stage II–III colon cancer patients

Country1 Period of study Date of las
follow-up		 Median follow-up
(months)		 Number of patients Available variables for
risk stratification of
stage II patients
Total
(60244)		 Stage II
(31200)		 Stage III
(29044)
The Netherlands 2009–2014 April 2015 34 31879 16206 15673 Grade of tumor, pT category, LN (≥10, <10)
Belgium 2009–2013 June 2016 59 14847 7921 6926 Grade of tumor, pT category
Sweden 2009–2014 March 2016 51 13518 7073 6445 Grade of tumor, pT category, LN (≥12, <12), vascular/neural invasion
1

Data provided by: The Netherlands Cancer Registry, Belgian Cancer Registry, and Swedish Colorectal Cancer Registry.

Abbreviations: pT stage, pathological T-category (tumor size); LN, harvested lymph node count.