Table 2.

Difference in Physical Measurements and Shear Modulus of Children with Cerebral Palsy from pre-BoNT-A and Between 1 and 3 Months post-BoNT-A

	Measurementsa, median (Q1,Q3)	P Value b
Calf circumference, cm
Pre-BoNT-A – 1 Month Post-BoNT-A*	0.20 (−0.10, 0.50)	0.41
Pre-BoNT-A – 3 Months Post-BoNT-A**	0.25 (−0.25, 0.55)	0.66
1 Month Post-BoNT-A – 3 Months Post-BoNT-A**	−0.05 (−0.30, 0.25)	1.00
Maximal ankle DF, degrees
Pre-BoNT-A – 1 Month Post-BoNT-A	−1.00 (−5.00, 2.00)	0.70
Pre-BoNT-A – 3 Months Post-BoNT-A	3.00 (−2.00, 6.00)	0.48
1 Month Post-BoNT-A – 3 Months Post-BoNT-A	4.00 (1.00, 8.00)	0.11
Modified Ashworth Scale
Pre-BoNT-A – 1 Month Post-BoNT-A	0.44 (0.00, 1.00)	0.10
Pre-BoNT-A – 3 Months Post-BoNT-A	0.11 (0.00, 0.00	0.73
1 Month Post-BoNT-A – 3 Months Post-BoNT-A	−0.33 (−1.00,0.00)	0.08
Shear Modulus, kPa at 20° PF
Pre-BoNT-A – 1 Month Post-BoNT-A	3.89 (0.84, 8.68)	0.06
Pre-BoNT-A – 3 Months Post-BoNT-A	1.75 (−3.94, 7.70)	0.39
1 Month Post-BoNT-A – 3 Months Post-BoNT-A	−3.72 (−4.78, −0.98)	0.13
Shear Modulus, kPa at 10° PF
Pre-BoNT-A – 1 Month Post-BoNT-A	8.07 (2.11, 17.13)	0.09
Pre-BoNT-A – 3 Months Post-BoNT-A	3.00 (−8.20, 10.05)	0.73
1 Month Post-BoNT-A – 3 Months Post-BoNT-A	−7.57 (−10.98, −5.07)	0.02
Shear Modulus, kPa at 0° PF
Pre-BoNT-A – 1 Month Post-BoNT-A	13.45 (−1.28, 42.39)	0.08
Pre-BoNT-A – 3 Months Post-BoNT-A	4.77 (−17.81, 24.18)	0.42
1 Month Post-BoNT-A – 3 Months Post-BoNT-A	−14.74 (−18.21, −9.38)	0.03

Abbreviations: BoNT-A, onabotulinum toxin A; cm, centimeter; DF, dorsiflexion; kPa, kilopascal; PF, plantar flexion.

^aValues are presented as median and 1^rst and 3^rd interquartile range (Q1, Q3) unless specified otherwise.

^bp-values are from paired t-tests.

^*n=7

^**n=8