Orthopaedic journal of sports medicine · 2025
Polish Validation and Language Adaptation of the Banff Patellofemoral Instability Instrument 2.0.
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Fąfara Alicja, Feluś Jarosław, Żmijewska-Jasińska Kinga
Аннотация
BACKGROUND: The importance of patient-reported outcome measures (PROMs) is becoming increasingly recognized in the orthopaedic field. The Banff Patellofemoral Instability Instrument 2.0 (BPII 2.0) is a disease-specific tool designed for patients with patellofemoral instability.
PURPOSE: To adapt, translate, and validate the BPII 2.0 into Polish, to enable its use by Polish-speaking professionals for the evaluation of patients who present with patellofemoral instability.
STUDY DESIGN: Cohort study (Diagnosis); Level of evidence, 3.
METHODS: The final Polish version of the BPII 2.0 was investigated in patients with a confirmed diagnosis of recurrent patellofemoral joint (PFJ) instability. Patients completed 2 sets of PROMs, the BPII 2.0, Anterior Knee Pain Scale (Kujala), Norwich Patellar Instability (NPI) score, Lysholm knee score, and International Knee Documentation Committee [IKDC] Subjective Knee Form, at the clinic visit and 7 to 14 days later. The following psychometric properties were assessed: face validity, floor and ceiling effects, test-retest reliability, internal consistency, construct validity, standard error of measurement (SEM), and minimal clinically important difference (MCID). The reliability was evaluated by measuring the internal consistency (Cronbach alpha) and test-retest reliability (intraclass correlation coefficient). Pearson correlation coefficients were used to examine the validity.
RESULTS: The study population consisted of 80 postoperative patients (29 males, 51 females) aged 12 to 37 years with a confirmed diagnosis of recurrent PFJ instability. Face validity was assessed with an expert clinician group and an expert-patient group. No floor or ceiling effects were observed. The test-retest reliability of the BPII was 0.995 (P < .01). The BPII 2.0 score demonstrated excellent internal consistency, with a Cronbach alpha of 0.95 at baseline and 0.96 at the retest.The correlations of the BPII with the other PROMs were statistically significant and classified as moderate to strong: IKDC Subjective Knee Form (Pearson rho = 0.725; P < .001), Lysholm score (rho = 0.58; P < .001), and Kujala score (rho = 0.533; P < .001). A significant negative correlation of moderate strength between the BPII and NPI score (rho = -0.615; P < .001) was calculated. The SEM was estimated at 1.329 and the MCID was 3.028.
CONCLUSION: This study demonstrated that the Polish version of the BPII 2.0 is a reliable and valid instrument for Polish-speaking patients with recurrent patellofemoral instability. It will enable multicenter, international studies through uniform application of the functional assessment of patients with PFJ instability.
PURPOSE: To adapt, translate, and validate the BPII 2.0 into Polish, to enable its use by Polish-speaking professionals for the evaluation of patients who present with patellofemoral instability.
STUDY DESIGN: Cohort study (Diagnosis); Level of evidence, 3.
METHODS: The final Polish version of the BPII 2.0 was investigated in patients with a confirmed diagnosis of recurrent patellofemoral joint (PFJ) instability. Patients completed 2 sets of PROMs, the BPII 2.0, Anterior Knee Pain Scale (Kujala), Norwich Patellar Instability (NPI) score, Lysholm knee score, and International Knee Documentation Committee [IKDC] Subjective Knee Form, at the clinic visit and 7 to 14 days later. The following psychometric properties were assessed: face validity, floor and ceiling effects, test-retest reliability, internal consistency, construct validity, standard error of measurement (SEM), and minimal clinically important difference (MCID). The reliability was evaluated by measuring the internal consistency (Cronbach alpha) and test-retest reliability (intraclass correlation coefficient). Pearson correlation coefficients were used to examine the validity.
RESULTS: The study population consisted of 80 postoperative patients (29 males, 51 females) aged 12 to 37 years with a confirmed diagnosis of recurrent PFJ instability. Face validity was assessed with an expert clinician group and an expert-patient group. No floor or ceiling effects were observed. The test-retest reliability of the BPII was 0.995 (P < .01). The BPII 2.0 score demonstrated excellent internal consistency, with a Cronbach alpha of 0.95 at baseline and 0.96 at the retest.The correlations of the BPII with the other PROMs were statistically significant and classified as moderate to strong: IKDC Subjective Knee Form (Pearson rho = 0.725; P < .001), Lysholm score (rho = 0.58; P < .001), and Kujala score (rho = 0.533; P < .001). A significant negative correlation of moderate strength between the BPII and NPI score (rho = -0.615; P < .001) was calculated. The SEM was estimated at 1.329 and the MCID was 3.028.
CONCLUSION: This study demonstrated that the Polish version of the BPII 2.0 is a reliable and valid instrument for Polish-speaking patients with recurrent patellofemoral instability. It will enable multicenter, international studies through uniform application of the functional assessment of patients with PFJ instability.