Retrospective Cohort Study
Copyright ©The Author(s) 2016.
World J Orthop. Nov 18, 2016; 7(11): 746-751
Published online Nov 18, 2016. doi: 10.5312/wjo.v7.i11.746
Table 1 Patient demographics
DemographicValue
No. of patients46
No. of feet/recessions48
AgeMean: 49.73 ± 18.59 yr
Range: 21 to 83 yr
GenderFemale: 35
Male: 13
Side of operationLeft: 25 (52.1%)
Right: 23 (47.9%)
Follow-up monthsMean 32 ± 7.66 mo
Range 24-60 mo
Table 2 Demographics of patients who successfully returned to preoperative level of physical activity and preoperative employment status
Halasi ankle activity scoreNo. of patientsMean time to return to physical activity (mo)Mean time to return to work (mo)
00--
10--
2226.14.1
3714.03.1
4138.33.7
536.02.3
60--
70--
813.03.0
90--
100--
Total467.53.6
Table 3 Summary of results (preoperative and 1-year postoperative)
ParameterPreoperative Mean ± SD1 yr post-op Mean ± SDImprovements Mean ± SDP-value
SF-36
Physical functioning64.79 ± 27.5884.58 ± 15.7419.79 ± 26.74< 0.001
Role limitations due to physical health45.83 ± 41.6884.38 ± 23.9838.54 ± 42.83< 0.001
Role limitation due to emotional problems61.10 ± 44.2189.92 ± 24.2628.82 ± 51.32< 0.001
Energy/fatigue60.42 ± 18.2465.63 ± 15.805.21 ± 14.950.02
Emotional well-being74.00 ± 16.4674.04 ± 17.400.04 ± 18.460.988
Social functioning74.79 ± 21.2396.25 ± 7.2021.46 ± 22.51< 0.001
Pain60.78 ± 21.3891.30 ± 12.4830.52 ± 24.17< 0.001
General health68.33 ± 18.7373.27 ± 17.254.94 ± 13.370.014
AOFAS Hindfoot Score71.60 ± 18.8991.79 ± 7.2420.19 ± 19.89< 0.001
Modified Olerud and Molander score
Pain13.23 ± 6.3222.19 ± 4.728.96 ± 6.99< 0.001
Stiffness6.56 ± 4.158.44 ± 2.761.88 ± 4.330.004
Swelling7.60 ± 3.578.54 ± 2.910.94 ± 4.460.152
Stair climbing6.67 ± 2.798.33 ± 2.601.67 ± 3.150.001
Running1.56 ± 2.342.29 ± 2.520.73 ± 1.780.007
Jumping2.19 ± 2.512.92 ± 2.490.73 ± 2.060.018
Squatting4.38 ± 1.674.48 ± 1.540.10 ± 1.930.71
Supports7.92 ± 3.698.85 ± 2.780.94 ± 3.670.083
Activities of daily life0.00 ± 0.0017.08 ± 4.5917.08 ± 4.59< 0.001
Total50.10 ± 15.8983.13 ± 15.7333.02 ± 18.09< 0.001
VAS5.00 ± 2.381.21 ± 1.793.79 ± 2.60< 0.001
Table 4 Summary of results (1-year postoperative and 2-year postoperative)
Parameter1 yr postoperative Mean ± SD2 yr postoperative Mean ± SDImprovements Mean ± SDP-value
SF-36
Physical functioning84.58 ± 15.7487.08 ± 14.4019.79 ± 26.740.144
Role limitations due to physical health84.38 ± 23.9888.13 ± 23.5838.54 ± 42.830.169
Role limitation due to emotional problems89.92 ± 24.2690.26 ± 18.1628.82 ± 51.320.880
Energy/fatigue65.63 ± 15.8063.85 ± 15.515.21 ± 14.950.290
Emotional well-being74.04 ± 17.4076.02 ± 13.500.04 ± 18.460.274
Social functioning96.25 ± 7.2095.63 ± 9.0721.46 ± 22.510.566
Pain91.30 ± 12.4892.43 ± 13.7230.52 ± 24.170.401
General health73.27 ± 17.2574.44 ± 18.234.94 ± 13.370.469
AOFAS Hindfoot Score91.79 ± 7.2493.48 ± 7.811.69 ± 5.830.051
Modified Olerud and Molander score
Pain22.19 ± 4.7222.71 ± 4.370.52 ± 2.360.133
Stiffness8.44 ± 2.768.85 ± 2.580.42 ± 2.270.209
Swelling8.54 ± 2.918.85 ± 2.360.31 ± 1.900.261
Stair climbing8.33 ± 2.608.75 ± 2.190.42 ± 2.020.159
Running2.29 ± 2.523.23 ± 2.420.94 ± 1.970.002a
Jumping2.92 ± 2.493.23 ± 2.420.31 ± 1.900.261
Squatting4.48 ± 1.544.48 ± 1.540.00 ± 1.031
Supports8.85 ± 2.789.58 ± 1.740.73 ± 2.060.018a
Activities of daily life17.08 ± 4.5917.71 ± 3.850.63 ± 3.660.243
Total83.13 ± 15.7387.08 ± 15.743.96 ± 10.050.009a
VAS1.21 ± 1.790.69 ± 1.720.52 ± 1.170.003a