Table 6 Reliability measure of agreement summary statistics: Inter-rater (Senior clinician & clinician) & intra-rater (Clinician)
Inter-rater reliability | Intra-rater reliability | |||||
|---|---|---|---|---|---|---|
QHRFF field | % | K(SE) | Strength of agreement [[37]] | % | K(SE) | Strength of agreement [[37]] |
General demographics | ||||||
Indigenous status* | 83.7 | -- | -- | 100 | 1.00 (0.01) | Near Perfect |
Health professionals attending (in the past week) | ||||||
Podiatrist | 88.4 | -- | -- | N/A | N/A | N/A |
GP | 81.4 | 0.45 (0.15) | Moderate | N/A | N/A | N/A |
Nurse | 81.4 | 0.47 (0.14) | Moderate | N/A | N/A | N/A |
Orthotist | 100 | -- | -- | N/A | N/A | N/A |
Physician | 90.7 | -- | -- | N/A | N/A | N/A |
Surgeon | 90.7 | 0.45 (0.23) | Moderate | N/A | N/A | N/A |
Other | 97.7 | -- | -- | N/A | N/A | N/A |
Medical co-morbidity history | ||||||
Medical (diabetes) history | 95.3 | 0.94 (0.05) | Near perfect | 100 | 1.00 (0.01) | Near Perfect |
Diabetes duration# | 0.94 (0.87–0.97) | Strong | 1.00 (0.99–1.00) | Strong | ||
Recent BGLs >15 mmol/L* | 83.7 | 0.67 (0.12) | Substantial | N/A | N/A | N/A |
HbA1c result# | 1.00 (1.00–1.00) | Strong | 1.00 (1.00–1.00) | |||
Hypertension | 88.4 | 0.73 (0.11) | Substantial | 89.5 | 0.78 (0.15) | Substantial |
Dyslipidaemia | 83.7 | 0.67 (0.11) | Substantial | 94.7 | 0.90 (0.10) | Near Perfect |
Smoker | 88.4 | 0.64 (0.15) | Substantial | 94.7 | 0.83 (0.17) | Near Perfect |
CVD | 88.4 | 0.76 (0.10) | Substantial | 84.2 | 0.69 (0.17) | Substantial |
CKD | 86.1 | 0.58 (0.15) | Moderate | 94.7 | 0.86 (0.14) | Near Perfect |
ESRF | 97.7 | 0.66 (0.32) | Substantial | 100 | -- | -- |
Other (non-listed) | 69.1 | 0.34 (0.11) | Fair | 78.9 | 0.57 (0.19) | Moderate |
High-risk history | ||||||
Neuropathy | 90.7 | 0.66 (0.16) | Substantial | 94.7 | -- | -- |
PAD | 83.7 | 0.67 (0.11) | Substantial | 78.9 | 0.60 (0.16) | Moderate |
Previous foot ulcer | 90.7 | 0.72 (0.13) | Substantial | 94.7 | 0.64 (0.33) | Substantial |
Current foot ulcer | 97.7 | -- | -- | 100 | -- | -- |
New foot ulcer | 97.4 | -- | -- | 100 | -- | -- |
Previous amputation | 97.7 | 0.95 (0.05) | Near perfect | 100 | 1.00 (0.01) | Near Perfect |
Clinical diagnoses of high-risk factors | ||||||
Neuropathy | 97.7 | 0.90 (0.10) | Near perfect | 94.7 | -- | -- |
PAD* | 97.9 | 0.97 (0.03) | Near perfect | 84.2 | 0.69 (0.16) | Substantial |
Acute charcot | 100 | 1.00 (0.01) | Near perfect | 100 | -- | -- |
Foot deformity | 83.7 | 0.38 (0.18) | Fair | 84.2 | 0.31 (0.30) | Fair |
Risk classification | 100 | -- | -- | 100 | -- | -- |
Clinical diagnoses of foot disease | ||||||
Ulcer type* | 88.4 | 0.81 (0.08) | Near perfect | 84.2 | 0.77 (0.14) | Substantial |
Combined surface area mm2# | 0.94 (0.89–0.97) | Strong | 1.00 (1.00–1.00) | Strong | ||
Clinical signs infection* | 76.7 | 0.60 (0.12) | Moderate | 89.5 | 0.46 (0.32) | Moderate |
UTWCS grade# | 0.90 (0.83–0.95) | Strong | 0.98 (0.94–0.99) | Strong | ||
Ulcer depth^ | 95.3 | 0.90 (0.10) | Near perfect | 94.7 | 0.79 (0.23) | Substantial |
Clinical management principles performed | ||||||
Debrided ulcer/callus* | 97.7 | 0.66 (0.32) | Substantial | 94.7 | -- | -- |
Dressing optimum* | 97.7 | -- | -- | 100 | -- | -- |
Antibiotics required* | 79.1 | 0.54 (0.12) | Moderate | 89.5 | 0.44 (0.33) | Moderate |
Off-loading optimum* | 72.1 | 0.36 (0.13) | Fair | 68.4 | 0.32 (0.23) | Fair |
Footwear optimum* | 67.4 | 0.33 (0.14) | Fair | 68.4 | 0.37 (0.21) | Fair |
Educated patient* | 97.7 | -- | -- | 89.5 | -- | -- |