Table 2.
TBD and finger grip strength deficit percentages.
| Variable | Group | n | Mean | SD—(95%CI) | p-Value * |
|---|---|---|---|---|---|
| Ultrasound results | |||||
| TBD A2/A4 (mm) | 1 (pain +, TBD +) | 12 | 2.86 | 0.58 (2.48–3.23) | <0.001 |
| 2 (pain +, TBD −) | 10 | 1.64 | 0.21 (1.48–1.79) | ||
| 3 (pain −, TBD +) | 7 | 2.51 | 0.45 (2.09–2.93) | ||
| 4 (pain −, TBD −) | 10 | 1.71 | 0.26 (1.51–1.90) | ||
| TBD increase % in comparison to the contralateral non-injured side | 1 (pain +, TBD +) | 12 | 201.34 | 67.50 (158.45–244.23) | p = 0.075 |
| 2 (pain +, TBD −) | 10 | 160.44 | 110.88 (81.11–239.76) | ||
| 3 (pain −, TBD +) | 7 | 155.66 | 44.50 (114.50–196.81) | ||
| 4 (pain −, TBD −) | 10 | 119.11 | 11.21 (111.09–127.13) | ||
| Force deficit percentage results for each of the three grip types | |||||
| Finger grip strength deficit % using a one finger crimp | 1 (pain +, TBD +) | 12 | 53.99 | 29.27 (35.39–72.58) | <0.001 |
| 2 (pain +, TBD −) | 10 | 29.30 | 21.10 (14.21–44.40) | ||
| 3 (pain −, TBD +) | 7 | 16.71 | 7.17 (10.08–23.35) | ||
| 4 (pain −, TBD −) | 10 | 8.56 | 4.74 (5.17–11.95) | ||
| Finger grip strength deficit % using a close crimp | 1 (pain +, TBD +) | 12 | 19.95 | 20.40 (6.99–32.91) | p = 0.208 |
| 2 (pain +, TBD −) | 10 | 9.33 | 21.37 (−5.95–24.62) | ||
| 3 (pain −, TBD +) | 7 | 4.37 | 3.83 (0.82–7.92) | ||
| 4 (pain −, TBD −) | 10 | 10.49 | 6.85 (5.58–15.39) | ||
| Finger grip strength deficit % using an open crimp | 1 (pain +, TBD +) | 12 | 21.36 | 17.52 (10.23–32.50) | p = 0.032 |
| 2 (pain +, TBD −) | 10 | 10.04 | 14.34 (−0.20–20.30) | ||
| 3 (pain −, TBD +) | 7 | 7.90 | 6.45 (1.93–13.86) | ||
| 4 (pain −, TBD −) | 10 | 5.89 | 4.16 (2.91–8.88) | ||
* one way ANOVA. SD, standard deviation; CI, confidence interval; +, positive test; −, negative test.