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Table 3 Prevalence (%) and means of clinical characteristics in patients with and without previous amputation

From: Baseline characteristics and risk factors for ulcer, amputation and severe neuropathy in diabetic foot at risk: the BRAZUPA study

Variable Previous amputation p
Yes No
Age (years) 60.5 57.3 0.001
Sex (female/male) 29.1/70.9 63.3/36.7 <0.001
BMI (kg/m2) 28.7 29.4 0.18
Ethnicity    0.043
 White 63.3 51.7  
 Black 14.8 19.6  
 Mixed 18.1 21.1  
 Asian 3.8 7.7  
Type of diabetes (1/2) 4.2/95.8 9.5/90.5 0.017
Diabetes duration (years) 17.3 13.6 <0.001
HbA1c (%) 8.76 8.54 0.4
Smoking (yes) 26.1 23.9 0.52
Hypertension (yes) 72.2 83 0.001
Cardiopathy (yes) 36.4 26.8 0.023
Dyslipidemia (yes) 65 74.3 0.022
Nephropathy (ClCr < 60 ml/min) 33.3 19.7 0.001
Retinopathy (yes) 69.8 42.1 <0.001
Visual impairment (yes) 65 47.7 <0.001
Foot at risk classification    <0.001
 Foot without risk 3.3 43.9  
 Neuropathic 49.5 30.6  
 Ischemic 6 9.1  
 Neuroischemic 41.2 16.4  
Score of symptoms    0.7
 Normal/mild 47.9 49.5  
 Moderate/severe 52.1 50.5  
Disability score    <0.001
 Normal/mild 39.1 79.2  
 Moderate/severe 60.9 20.8  
Treatment of neuropathy (yes) 19.3 11.5 0.005
Region    0.069
 South/Southeast 62.4 55.4  
 Northeast/Midwest 37.6 44.6