Table 5: The association between patients' characteristics and the improvement of GMFCS

Factors	Improved GMFCS (n=12)	Non-improved GMFCS (n=86)	P-value
Male sex	8 (67%)	49 (57%)	0.524
Topographical type • Hemiplegia • Diplegia • Triplegia • Quadriplegia	0 (0%) 3 (25%) 2 (17%) 7 (58%)	14 (16%) 19 (22%) 6 (7%) 47 (55%)	0.131 0.821 0.251 0.810
GMFCS at first visit • I • II • III • IV • V	0 (0%) 1 (8%) 2 (17%) 7 (58%) 2 (17%)	23 (27%) 11 (13%) 16 (19%) 15 (17%) 21 (24%)	0.041* 0.659 0.871 0.001* 0.553
Age at first SEMLC (years)	4.56 ± 2.18	8.08 ± 4.31	<0.001*
SEMLC times	2.50 ± 1.09	1.77 ± 0.98	0.045*
Regular SEMLC# The mean total number of muscle injected	10 (83%) 21.01 ± 17.51	43 (50%) 13.19 ± 5.17	0.030* 0.152

*P-value < 0.05
^# Regular SEMLC was defined if the patient had >1 round of SEMLC within a 12-month period.