Data items in the MA_QA_METRIC_FEATURE category captures the
               QA metrics calculated per feature as defined in ma_feature_list. 
               Data in this category can be extracted into a separate file which 
               is linked to the main file using the categories 
               ma_associated_archive_file_details or ma_entry_associated_files 
               with file_content set to "QA metrics".
 
    loop_
    _ma_qa_metric_feature.ordinal_id
    _ma_qa_metric_feature.model_id
    _ma_qa_metric_feature.feature_id
    _ma_qa_metric_feature.metric_id
    _ma_qa_metric_feature.metric_value
    1 1 1 1 -0.85
    2 1 1 2 -2.71
   # ...  abbreviated ...