Table 2.

Clinical follow up of SMN1 hybrids.

Age (Months) at Follow up Call	Age (Months) at Last Visit to PCP	Reported Status
17.8	16.0	very healthy, runs around the room, no neuromuscular clinical concerns
14.6	12.0	no neuromuscular clinical concerns; does have unrelated genetic diagnosis
14.0	12.0	well and no neuromuscular clinical concerns
9.1	6.4	no neuromuscular clinical concerns; umbilical hernia
7.7	Not reported	well and no neuromuscular clinical concerns
6.8	3.7	well child visit; normal strength and tone; growth 75th percentile