Score 0: Absent
Score 1: Unilateral Presence
Score 2: Bilateral Presence
Score 0: Absent
Score 1: Unilateral Presence
Score 2: Bilateral Presence
Score 0: Absent
Score 1: Unilateral Presence
Score 2: Bilateral Presence
Score 0: Nonbifid
Score 1: Partially Bifid
Score 2: Completely Bifid