Subjects’ characteristics No of subjects, n=235 (%) Subjects in Upper GMFCS-E&R (I-III) levels, n=92 (%) Subjects in Lower GMFCS-E&R (IV-V) levels, n=143 (%) P value Age (years) <2 169 (71.9) 45 (48.9) 124 (86.7) 0.00 ≥2 66 (28.1) 47 (51.1) 19 (13.3)| Social class I-III 182 (77.4) 73 (79.3) 109 (76.2) 0.58 IV-V 53 (22.6) 19 (20.7) 34 (23.8) Predisposing factor Birth asphyxia 106 (45.1) 35 (38) 71 (49.7) 0.08 Others 129 (54.9) 57 (62) 72 (50.3) Clinical type Spastic 184 (78.3) 61 (66.3) 123 (86) 0.00 Others 51 (21.7) 31 (33.7) 20 (14)

Table 3: Relationship between some characteristics of the subjects and their GMFCS-E&R levels