Factors associated with recurrence of clubfoot treated by the Ponseti method

Table 3 Mean ± standard deviation and P value of different factors

	Recurrence	Non-recurrence	P value
Age at the beginning of serial casting (d)	4.94 ± 9.22	5.26 ± 4.55	0.763
Pirani score at the beginning	5.48 ± 1.41	5.39 ± 1.04	0.624
Dimeglio grade at the beginning	3.24 ± 1.41	3.29 ± 1.04	0.875
Numbers of casts	5.58 ± 2.25	4.05 ± 2.06	< 0.001
Follow-up duration (mo)	40.76 ± 21.46	27.61 ± 11.80	< 0.001