preferred_name: UNABLE to hear and understand familiar words or common expressions consistently, OR patient nonresponsive.
preferred_name_lc: unable to hear and understand familiar words or common expressions consistently, or patient nonresponsive.
label: UNABLE to hear and understand familiar words or common expressions consistently, OR patient nonresponsive.
label_lc: unable to hear and understand familiar words or common expressions consistently, or patient nonresponsive.