From: A review of the foot function index and the foot function index – revised
Instrument | 1stAuthor | Study and objective | Population (N, Sex, Age, Dx, location) | methods & analyses | Items/domains/subscales | Response type | Summary evaluation |
---|---|---|---|---|---|---|---|
FFI, 2004 | Novak, P [4] | Epidemiology of Type II Diabetes Mellitus | |||||
Correlation of pain score with 6 minute walk time; Comparing intergroup pain score | Total N: 90; 3 groups; | Cross-Sectional study | FFI | VAS scale | High pain score correlated with shorter distance walk, group with Type II diabetes neuropathy with symptoms showed the highest pain scores | ||
Descriptive & correlation statistics | |||||||
Neuropathy with symptoms N: 30 Mean age 64.87 (SD=11) | 9 items | Conclusion: useful | |||||
20 male | Pain scale | ||||||
Neuropathy, no symptoms N:30; Mean age: 64.87 (SD=11) | |||||||
20 male; | |||||||
Healthy volunteers N: 30; Mean age: 64.87 (SD=11) | |||||||
20 male; | |||||||
Slovenia | |||||||
FFI, 2004 | Williams, AE [90] | Epidemiology Rheumatic diseases | N: 139; 39 male | Cross sectional study | FFI | VAS scale | FFI scores showed a high prevalence of foot and ankle pathologies, which indicated the need of podiatry care |
Descriptive statistics | |||||||
To assess foot health status | Age: NA | 23 items | Conclusion: useful | ||||
Inflammatory and degenerative joint diseases | 3 domains | ||||||
UK | |||||||
FFI, 2006 | Williams, AE [91] | Epidemiology of Paget diseases of the foot Concurrent measures of FSI and quality of Life 12-items short form | N: 134; 64 male | Cross sectional study Descriptive statistics | FFI | VAS scale | Correlations of scores were not found between instruments |
Mean age: 74.5 (46–91) | 23 items | Conclusion: not useful | |||||
UK | 3 domains | ||||||
FFI, 2006 | Rosenbaum, D [95] | Plantar sensitivity assesstment | N:25; 2 male | Observational study | FFI 23 items 3 domains | VAS scale | FFI was to evaluate foot sensation related to RA |
Rheumatoid arthritis foot | Mean age: 55 (SD=9.9) RA; 9.6 (SD=7) | Conclusion: useful | |||||
Evaluate the correlation of painful walking and loss of sensitivity of the plantar surface of the foot | Germany | ||||||
FFI, 2008 | Schmeigel, A [96] | Pedobarography in rheumatoid arthritis | N: 112; Mean age: 55 (SD=11) | Observational | FFI | VAS scale | Higher FFI scores correlated with pedograph scores |
To evaluate the function and pedographic impairment | RA1; N: 36; HAQ scores 0–1 | 23 items; 3 domains | Conclusion: useful | ||||
Correlation of foot pain and pedograph | 3 male; Mean age: 50.6 (SD=10.5) | RA1: FFI total score: 20.7 (SD=12.9) | |||||
RA2; N: 38 HAQ scores 1.1-2 | RA2: FFI total score: 28.8 (SD=12.1) | ||||||
1 male; Mean age: 55.2 (SD=10.4) | RA3: FFI total score: 48.7 (SD=15.9) | ||||||
RA3 N: 38 HAQ scores 2.1-3 | |||||||
2 male; Mean age: 58.5 (SD=11.3) | Control NA | ||||||
Control N:20 Mean age: 53.2 (SD=12.3) | |||||||
Germany | |||||||
FFI, 2010 | Kamanli, A [92] | Foot Bone Mineral Density | RA: N: 50; RA<3 yrs 1 male, 5 female | Cross sectional study | FFI | VAS | Moderate-strong correlation of FFI scores with disease duration, VAS pain scale, Stoke index, HAQ, femur bone mineral density (BMD). No correlation with foot BMD. |
To assess the correlation of FFI scores with VAS pain scale, HAQ Ritchie articular index, and stoke index | Descriptive statistics | Pain scale 9 items | |||||
RA>3 yrs | Conclusion: useful. | ||||||
4 male, 40 female | |||||||
Mean age: 52 (SD=10.9) | |||||||
OA: N:40; 3 male | |||||||
Mean age: 52.4 (SD=11.8) | |||||||
Healthy volunteers; N: 14 | |||||||
Turkey | |||||||
FFI, 2010 | Goldstein, CL [94] | Foot and ankle trauma | N: 52; 31 male | Cross sectional study the mean duration post trauma 15.5 months (1 month-10 years) | FFI | VAS | There was a high correlation among FFI scores and the 5 listed instruments. |
Correlation of FFI, SF-12, SMFA, FAAM, AAOS, AOFAS | Mean age: 43.3 (18–85) | 9 items | Conclusion: useful | ||||
OA; Foot and ankle trauma | Pain scale | ||||||
Canada | |||||||
FFI, 2010 | Kavlak, Y[93] | Elderly men Concurrent measure with VAS pain scale, foot problem score, hind foot function scale | N: 53; 53 male | Cross sectional study | FFI | VAS scale | FFI was simple and comprehensive and was significantly correlated with hind foot function scale, and scores of timed up and go. |
Mean age: 73.8 (7.08) | 23 items | Conclusion: useful | |||||
Foot problems | 3 domains | ||||||
Turkey |