I think this is related to the nature of the "summarize" command. It can't handle non-numeric data, including missing data. if you do "tab agecat ,missing", you'll see 4 patients with missing categorized age.
I think this is related to the nature of the "summarize" command. It can't handle non-numeric data, including missing data. if you do "tab agecat ,missing", you'll see 4 patients with missing categorized age.