Arthroscopy: The Journal of Arthroscopic & Related Surgery
Original ArticleSelf-Reported Outcomes After Anterior Cruciate Ligament Reconstruction: An Internal Health Locus of Control Score Comparison
Section snippets
Methods
After medical institutional review board approval was obtained, survey packets were mailed to 335 consecutive former patients at a minimum of 2 years after ACL reconstruction. Packets included the Knee Outcome Survey (KOS) Activities of Daily Living Scale (ADLS) and Sports Activity Scale (SAS), the 2000 International Knee Documentation Committee (IKDC) Subjective Knee Evaluation and Current Health Assessment, and the internal HLOC component of the Multidimensional HLOC Survey, Form C.23 Form C
Results
Of the 335 former patients who qualified for study participation, 198 (102 male and 96 female patients) completed the survey packet and returned it via a self-addressed, stamped envelope. Sixteen survey packets were returned unopened because of an incorrect mailing address with no new forwarding address. This produced a 62% return rate (198/319). Patient demographics are listed in Table 1. With regard to the distribution by allograft type, the tibialis anterior, tibialis posterior, or peroneus
Discussion
Studies have shown that older adults with a more internal HLOC are more likely to participate in exercise activities that relate to better perceived health and greater life satisfaction27 and are more likely to participate in a walking program.28 Among college-aged students, having a more internal HLOC is related to increased physical fitness, increased exercise volume, and good body image,29 with individuals in the highest internal HLOC quartile being 77% more likely to exercise compared with
Conclusions
The group with high internal HLOC scores had better self-reported outcomes for knee function as evidenced by 2000 IKDC Subjective Knee Evaluation scores (80.9 ± 17.7 v 68.3 ± 25.2, P < .0001), KOS-ADLS scores (89.6 ± 13.7 v 77.4 ± 23.9, P < .0001), and global ADLS ratings (90.7 ± 12.8 v 77.4 ± 23.9, P < .0001) and better sports activity level scores as evidenced by KOS-SAS scores (85.2 ± 18 v 70 ± 29, P < .0001) and global SAS ratings (81.8 ± 20.6 v 70 ± 29.4, P < .0001) compared with the group
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Supported by a grant from the Fischer Owen Orthopaedic Fund.
The authors report no conflict of interest.