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. 2022 Jun 7;22:621. doi: 10.1186/s12885-022-09731-w

Table 1.

Patient characteristics

Variable Certified: no (n = 39,892) Certified: yes (n = 5,426)
Age in years, Median (Q1;Q3) 74 (67;81) 73 (64;79)
Sex, n (%)
  female 20,859 (52.3%) 2,754 (50.8%)
  male 19,033 (47.7%) 2,672 (49.2%)
Distant metastasis, n (%)
  no 18,234 (45.7%) 2,799 (51.6%)
  yes 21,658 (54.3%) 2,627 (48.4%)
Resection, n (%)
  no 31,715 (79.5%) 3,432 (63.3%)
  yes 8,177 (20.5%) 1,994 (36.7%)

Elixhauser comorbidities are not shown in the table. The full results are provided in Additional file 1, Table S2