Open Access
Table 3
Paired T-test reveals no significant change between the 3rd and 12th months regarding Koshino index and extensor lag.
| Paired differences |
|||||||||
|---|---|---|---|---|---|---|---|---|---|
| Mean | Standard deviation | Standard error mean | 95% confidence interval of the difference |
t | df | Sig. (2-tailed) | |||
| Lower | Upper | ||||||||
| Pair 1 | Koshino index preop. – Koshino Index 3 months | 0.39400 | 0.08804 | 0.01969 | 0.35279 | 0.43521 | 20.013 | 19 | .000 |
| Pair 2 | Koshino Index 3 months – Koshino index 12 months | −0.00500 | 0.01100 | 0.00246 | −0.01015 | 0.00015 | −2.032 | 19 | .056 |
| Pair 3 | Koshino index preop. – Koshino index 12 months | 0.38900 | 0.08944 | 0.02000 | 0.34714 | 0.43086 | 19.451 | 19 | .000 |
| Pair 4 | Extension lag preop. – Extension lag 3 months | 14.400 | 7.500 | 1.677 | 10.890 | 17.910 | 8.586 | 19 | .000 |
| Pair 5 | Extension lag preop. – Extension lag 12 months | 13.900 | 7.615 | 1.703 | 10.336 | 17.464 | 8.163 | 19 | .000 |
| Pair 6 | Extension lag 3 months – Extension lag 12 months | −0.500 | 1.573 | 0.352 | −1.236 | 0.236 | −1.422 | 19 | .171 |
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