BioMed Research International

Research Article

The Novel Application of Three-Dimensional Printing Assisted Patient-Specific Instrument Osteotomy Guide in the Precise Osteotomy of Adult Talipes Equinovarus

Table 2

Comparison of clinical data and functional outcomes between two groups of ATE malformation.


	Routine group ()	3D printing group ()	value

Operative time, min			<0.001
Intraoperative blood loss, ml			<0.001
Follow-up time, month			0.352
Time to obtain bony fusion, week			0.243
Range of ankle joint motion at last follow-up °
Dorsal expansion			0.371
Plantarflexion			0.253
Inversion			0.162
Eversion			0.527
AOFAS score at last follow-up, point			0.136
ICFSG score at last follow-up, (%)
Excellent	3 (25.0)	5 (33.3)	0.257
Good	6 (50.0)	9 (60.0)	0.632
Fair	3 (25.0)	1 (6.7)	0.876^a
Poor	0	0	—
Rate of excellent and good outcomes, %	75.0	93.3	0.019

^a value for continuity-corrected chi-squared test. Note: ICFSG: International Congenital Clubfoot Study Group; AOFAS: American Orthopedic Foot and Ankle Society; ATE: adult talipes equinovarus.