adds the following columns to bv1: ecu_age - age in years, ecu_age_cat_dec - age in decades, ecu_age_cat_3 - age in 3 categories

primary_coding_suep_age(trial_data, pid, visitid)

Arguments

trial_data

A secuTrial data object

pid

column name of patient ID in trial_data

visitid

column name of visit ID in trial_data