Table 2.

Pulmonary function and motor status in patients with spinal muscular atrophy and severe scoliosis before and after scoliosis surgery

Case no	Sex	SMA type	Age of scoliosis onset (years)	Age of scoliosis surgery (years)	Follow-up duration (months)	Preoperative FVC(mL)	Postoperative FVC (mL, 6-months)	Postoperative FVC (mL, last follow-up)	Changes in FVC (last follow-up)	Preoperative motor status	Postoperative motor status (6-months)	Postoperative motor status (last follow-up)	Changes in motor status (last follow-up)
1	F	2	7	13	36	1210	1430	1400	Improved	Sit with support	Sit with support	Sit with support	Static
2	F	3	4	17	72	630	720	650	Improved	Independent sit	Independent sit	Independent sit	Static
3	F	2	7	17	43	520	480	510	Worsened	Sit with support	Independent sit	Independent sit	Improved
4	F	2	6	20	31	810	760	640	Worsened	Sit with support	Independent sit	Independent sit	Improved
5	M	2	9	13	30	2620	2480	2740	Improved	Sit with support	Independent sit	Independent sit	Improved
6	F	2	9	23	27	540	630	610	Improved	Sit with support	Independent sit	Independent sit	Improved
7	M	2	10	16	31	1260	1150	1060	Worsened	Sit with support	Sit with support	Sit with support	Static
8	F	2	4	12	43	1090	1140	1210	Improved	Independent sit	Independent sit	Independent sit	Static
9	F	2	8	11	38	640	530	570	Worsened	Sit with support	Independent sit	Independent sit	Improved
10	F	3	2	13	44	890	950	920	Improved	Sit with support	Independent sit	Independent sit	Improved
11	M	3	3	18	36	1250	1180	1040	Worsened	Sit with support	Sit with support	Sit with support	Improved
12	F	3	7	13	27	800	630	580	Worsened	Sit with support	Independent sit	Independent sit	Improved
13	F	3	6	20	31	1560	1320	1410	Worsened	Sit with support	Independent sit	Independent sit	Improved
14	F	3	9	13	24	1780	1840	1890	Improved	Sit with support	Sit with support	Sit with support	Static
15	M	2	5	12	42	880	960	980	Improved	Sit with support	Independent sit	Independent sit	Improved
16	F	2	9	17	42	820	780	850	Improved	Sit with support	Independent sit	Independent sit	Improved
17	F	2	6	11	32	720	860	970	Improved	Sit with support	Independent sit	Independent sit	Improved
18	M	3	15	22	56	2920	2780	2720	Worsened	Independent sit	Independent sit	Independent sit	Static
19	F	2	7	15	31	1510	1360	1630	Improved	Sit with support	Independent sit	Independent sit	Improved
20	M	2	8	15	66	880	740	550	Worsened	Sit with support	Independent sit	Independent sit	Improved
21	M	2	9	26	48	1960	1850	1720	Worsened	Sit with support	Independent sit	Independent sit	Improved
22	F	3	4	17	56	990	840	740	Worsened	Independent sit	Independent sit	Independent sit	Static

F, female; FVC, forced vital capacity; M, male; SMA, spinal muscular atrophy