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Table 2 The University of Texas risk classification system (adapted from [17])

From: The foot-health of people with diabetes in a regional Australian population: a prospective clinical audit

0
No neuropathy
1
Peripheral neuropathy
2
Neuropathy with deformity
3
History of pathology
Sensation intact: 10 g monofilament detectable or vibratory perception threshold < 25 volts
Vascular status intact: Ankle brachial index > 0.8, toe systolic pressure > 45 mmHg
No history of neuropathic ulceration or Charcot neuropathic osteoarthropathy.
Foot deformity may be present
Loss of protective sensation: 10 g monofilament not detectable or vibratory perception threshold > 25 volts
Vascular status intact
No history of neuropathic ulceration or Charcot neuropathic osteoarthropathy.
No foot deformity
Loss of protective sensation
Vascular status intact
No history of neuropathic ulceration or Charcot neuropathic osteoarthropathy.
Foot deformity present
Loss of protective sensation
Vascular status intact
History of neuropathic ulceration or Charcot neuropathic osteoarthropathy
4A
Neuropathic ulceration
4B
Acute Charcot arthropathy
5
Infected foot
6
Ischaemia
Loss of protective sensation
Vascular status intact
Non-infected neuropathic ulceration
No acute Charcot neuropathic osteoarthropathy.
Loss of protective sensation
Vascular status intact
Non-infected neuropathic ulceration may be present
Acute Charcot neuropathic osteoarthropathy present
Loss of protective sensation
Vascular status intact
Infected wound
Charcot neuropathic osteoarthropathy may be present
Sensation may or may not be intact
Ankle brachial Index < 0.8 or toe systolic pressure < 45 mmHg
Ulceration may be present