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Table 1 Demographic data

From: Risk stratification and mortality prediction in octo- and nonagenarians with peripheral artery disease: a retrospective analysis

   ≥ 80 years old (n = 123)  < 80 years old (n = 123) P value
Age, years 84 ± 4 66 ± 9 0.0001
Sex (female) 65 (53%) 35 (28%) 0.0001
Body mass index, kg/m2 26 ± 5 27 ± 5 0.012
Hypertension 110 (89%) 112 (91%) 0.83
Diabetes mellitus 38 (31%) 51 (41%) 0.196
Obesity 16 (13%) 24 (20%) 0.011
Current smoking 12 (10%) 45 (37%) 0.0001
ABI target limb 0.7 ± 0.4 0.67 ± 0.3 0.372
Coronary artery disease 58 (47%) 76 (61%) 0.029
History of MI 14 (11%) 18 (15%) 0.570
Prior CABG 17 (14%) 18 (15%) 0.235
History of stroke 11 (9%) 18 (15%) 0.172
Atrial fibrillation 40 (32%) 12 (10%) 0.0001
COPD 14 (11%) 28 (23%) 0.027
Kidney disease G3a and over 74 (60%) 23 (19%) 0.0001
Regular hemodialysis 5 (4%) 2 (2%) 0.749
PAD stage (Rutherford)    
 1–3 52 (42%) 94 (76%) 0.0001
 4–6 71 (58%) 29 (24%)
Prior PTA in the last 3 months 4 (3%) 24 (20%) 0.0001
Prior peripheral bypass 17 (14%) 18 (15%) 0.235
Antiplatelet therapy 82 (67%) 110 (90%) 0.0001
Statin therapy 79 (64%) 95 (77%) 0.035
  1. Clinical characteristics and medications of patients with PAD
  2. Data are given as n ± SD (%), unless otherwise stated
  3. PAD, peripheral artery disease; ABI, ankle-brachial index; MI, myocardial infarction; CABG, coronary artery bypass grafting; PTA, percutaneous transluminal angioplasty; BMI, body mass index; MI, myocardial infarction