Table 2. Mean Values of Strength & Symmetry over Stages of Rehabilitation, all data presented mean (SD).
3 month | 6 month | 9 month | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
n | Non-Surgical Q-RPKT (Nm/kg) | Surgical Q-RPKT (Nm/kg) | Q-LSI (%) | Non-Surgical Q-RPKT (Nm/kg) | Surgical Q-RPKT (Nm/kg) | Q-LSI (%) | Non-Surgical Q-RPKT (Nm/kg) | Surgical Q-RPKT (Nm/kg) | Q-LSI (%) | |
BPTB | 87 | 2.75 (0.60) | 1.64 (0.50) | 60% (0.13) | 2.88 (0.68) | 2.12 (0.59) | 74% (0.13) | 2.93 (0.67) | 2.46 (0.66) | 84% (0.14) |
HT | 21 | 2.41 (0.42) | 1.83 (0.42) | 76% (0.12) | 2.45 (0.46) | 2.25 (0.54) | 92% (0.13) | 2.74 (0.54) | 2.61 (0.59) | 96% (0.16) |
QT | 17 | 2.63 (0.69) | 1.39 (0.67) | 52% (0.17) | 2.79 (0.61) | 1.87 (0.70) | 67% (0.20) | 2.85 (.044) | 2.24 (0.78) | 77% (0.19) |
p value | p=.059 | p=.035† | p<.001‡§ | p=.025* | p=.146 | p<.001‡§ | p=.443 | p=.237 | p<.001†§ | |
Meniscus | 45 | 2.77 (0.57) | 1.72 (0.40) | 63% (0.13) | 2.85 (0.63) | 2.16 (0.49) | 76% (0.14) | 2.94 (0.56) | 2.49 (0.60) | 85% (0.15) |
No Meniscus | 80 | 2.62 (0.59) | 1.59 (0.58) | 60% (0.60) | 2.76 (0.67) | 2.09 (0.68) | 76% (0.17) | 2.86 (0.64) | 2.44 (0.73) | 85% (0.17) |
p value | p=.170 | p=.185 | p=.285 | p=.463 | p=.545 | p=.999 | p=.485 | p=.697 | p=.999 | |
Male | 51 | 2.94 (0.61) | 1.88 (0.58) | 64% (0.15) | 3.15 (0.70) | 2.42 (0.69) | 77% (0.16) | 3.18 (0.61) | 2.78 (0.74) | 87% (0.16) |
Female | 74 | 2.49 (0.50) | 1.47 (0.41) | 60% (0.14) | 2.55 (0.50) | 1.9 (0.45) | 75% (0.16) | 2.68 (0.52) | 2.23 (0.54) | 84% (0.16) |
p value | p<.001 | p<.001 | p=.130 | p<.001 | p<.001 | p=.494 | p<.001 | p<.001 | p=.305 |
* Statistically significant difference between BPTB & HT (p< 0.05), † Statistically significant difference between HT & QT (p< 0.05), ‡ Statistically significant difference between HT & QT (p< 0.001), §Statistically significant difference between BPTB & HT (p< 0.0001), Q-RPKT = quadriceps average peak torque normalized to body mass, Q-LSI = quadriceps limb symmetry index, BPTB = bone-patellar tendon-bone, HT = hamstring tendon, QT = quadriceps tendon