Table 3.
1 Month (N = 48) | 3 Months (N = 46) | 6 Months (N = 45) | 1 Year (N = 43) | 2 Years (N = 35) | p-value | ||||||
N | % | N | % | N | % | N | % | N | % | ||
Treated SHIM Scorea | 9.88 ± 6.96 | 12.13 ± 7.57 | 14.80 ± 7.71 | 14.23 ± 8.80 | 16.66 ± 7.78 | 0.0010 | |||||
Abnormal | 42 | 87.50 | 36 | 78.26 | 31 | 68.89 | 30 | 69.77 | 21 | 60.00 | 0.0500 |
Normal (22–25) | 6 | 12.50 | 10 | 21.74 | 14 | 31.11 | 13 | 30.23 | 14 | 40.00 | |
Untreated SHIM Scorea | 6.46 ± 5.04 | 7.70 ± 5.71 | 9.91 ± 6.32 | 12.55 ± 6.88 | 15.31 ± 6.92 | <.0001 | |||||
Abnormal | 47 | 97.92 | 43 | 93.48 | 43 | 95.56 | 36 | 83.72 | 28 | 80.00 | 0.0176 |
Normal (22–25) | 1 | 2.08 | 3 | 6.52 | 2 | 4.44 | 7 | 16.28 | 7 | 20.00 | |
SHIM scores similar to initial | Normal Pre-Op SHIM scores (N = 30) | ||||||||||
1 Year (N = 43) | 2 Years (N = 35) | 1 Year (N = 26) | 2 Years (N = 21) | ||||||||
N | % | N | % | N | % | N | % | ||||
Treated SHIM Score | Treated SHIM Score | ||||||||||
Dissimilar | 36 | 83.72 | 30 | 85.71 | Abnormal | 18 | 69.23 | 14 | 66.67 | ||
Similar | 7 | 16.28 | 5 | 14.29 | Normal | 8 | 30.77 | 7 | 33.33 | ||
Untreated SHIM Score | Untreated SHIM Score | ||||||||||
Dissimilar | 40 | 93.02 | 30 | 85.71 | Abnormal | 20 | 76.92 | 15 | 71.43 | ||
Similar | 3 | 6.98 | 6 | 14.29 | Normal | 6 | 23.08 | 6 | 28.57 |
aData are presented as mean ± SD or N and %; Normal SHIM Score = (22–25)