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)
0.876a
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.