Table 1.

Demographic and clinical characteristics of SMA patients

Pt No	Sex/age (Year)	SMA type	SMN2 copy	Age at symptom onset	Age at diagnosis (month)	Disease duration (month)	Scoliosis	Hip dislocation	Joint contracture	Respiratory status	Nutrition
1	F/0.2	1	2	15 d	1	0.5	-	-	-	NIV <8 h/d	OF
2	F/0.3	1	2	7 d	1.4	1.0	-	-	-	NIV <8 h/d	OF
3	F/3.1	1	2	5 m	6	14	-	-	-	24-h IMV	EF
4	M/5.5	1	2	1 m	3	43	+	-	+	24-h IMV	EF
5	F/4.6	2	3	9 m	24	37	-	-	-	SB	OF
6	M/9.3	2	3	8 m	8	98	-	+	+	SB	OF
7	M/22.6	2	3	15 m	23	254	+	+	+	SB	OF

EF–enteral feeding; NIV–noninvasive ventilation; IMV–invasive mechanical ventilation; OF–oral feeding; SB–spontaneous breathing; SMA–spinal muscular atrophy; SMN2–survival motor neuron 2