I think you can use the ODS TRACE option to get this.
For example -
ods trace on;
proc logistic data=mylib.trials;
...
run;
ods trace off;
Check the log for the output that you want turned into a dataset. It will typically be listed under a path, i.e. Logistic.ParameterEstimates.
Then rerun the proc logistic and use the ODS statement to turn the output into data:
proc logistic data=mylib.trials;
...
ods output Logistic.ParameterEstimates = param_est;
run;
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