Table 1 Proportion (frequency) of missing observations in Dukes’ stage by dichotomised age and postoperative mortality
30 Day Postoperative Mortality | ||
|---|---|---|
Age at Diagnosis | Alive | Deceased |
Less than or equal to 70 years old | 0.16 (11,453) | 0.25 (548) |
Greater than 70 years old | 0.14 (10,539) | 0.22 (1,894) |