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Table 1 Comparison between patients with and without an ABI recorded.

From: To screen or not to screen for peripheral arterial disease in subjects aged 80 and over in primary health care: a cross-sectional analysis from the BELFRAIL study

 

ABI measured

P*

 

Yes (n= 175)

No (n= 64)

 

Sociodemographic characteristics

   

   Men (n, %)

64 (36.6)

20 (31.2)

0.45

   Age (mean ± SD)

84.9 ± 3.9

85.1 ± 3.7

0.78

   Institutionalised (n, %)

10 (5.7)

9 (14.1)

0.081

   ≤ Lower secondary education (n, %)

130 (74.3)

54 (84.4)

0.076

Functioning

   

   MMSE (median, IQR)

28 (26 - 29)

27 (24 - 29)

0.011£

   ADL (median, IQR)

25 (21 - 27)

25 (20 - 27)

0.96£

   GDS-15 (median, IQR)

2 (1 - 4)

2 (1 - 3)

0.32£

   Performance tests (median, IQR)

8 (5 - 11)

9 (4 - 12)

0.57£

   LAPAQ (median, IQR)

84.0 (38.5 - 106)

71.5 (44.5 - 106.5)

0.64£

   Tinetti (median, IQR)

27 (25 - 28)

27 (25 - 28)

0.82£

Clinical characteristics

   

   Hypertension (n, %)

131 (74.9)

47 (73.4)

0.83

   Hyperlipidaemia (n, %)

70 (40.0)

28 (43.8)

0.60

   Diabetes (n, %)

36 (20.6)

18 (28.1)

0.24

   Smoker, current or ex- (n, %)

55 (31.4)

18 (28.1)

0.63

   BMI ≥30 (n, %)

48 (27.7)

15 (23.4)

0.51

   Angina pectoris (n, %)

31 (17.7)

11 (17.2)

0.93

   Myocardial infarction (n, %)

20 (11.4)

9 (14.1)

0.58

   TIA or CVA (n, %)

32 (18.3)

10 (15.6)

0.63

   Known PAD (n, %)

17 (9.7)

5 (7.8)

0.65

   Arterial surgery (n, %)

8 (4.6)

2 (3.1)

0.62

  1. * Independent Student's t-test; IQR, inter-quartile range; £, Mann-Whitney U test; $. ABI: ankle-brachial index; SD: standard deviation; MMSE: Mini-Mental State Examination; ADL: Activities of Daily Living; GDS: Geriatric Depression Scale; LAPAQ: LASA Physical Activity Questionnaire; BMI: body mass index; TIA: transient ischaemic attack; CVA: cerebro-vascular accident; PAD: peripheral arterial disease.