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Table 4 ABI and Duplex ultrasound imaging studies after the successful technical intervention

From: Validation of the global limb anatomical staging system in Vietnamese patients treated for chronic limb-threatening ischemia

 

GLASS I

n = 27 (%)

GLASS II

n = 31 (%)

GLASS III

n = 9 (%)

p**

ABI after intervention

0.7 ± 0.17

0.58 ± 0.14

0.61 ± 0.16

0.016***

Increase in ABI

0.26 ± 0.1

0.29 ± 0.16

0.38 ± 0.12

0.71***

ABI increase ≥ 0.15 (Number of cases)

26 (96.3%)

30 (96.77%)

7 (77.78%)

0.086*

ABI after 6 months

0.68 ± 0.26

0.55 ± 0.17

0.49 ± 0.19

0.025***

ABI after 12 months

0.64 ± 0.22

0.5 ± 0.25

0.47 ± 0.13

0.037***

Maintenance of perfusion of the TAP after 6 months (Number of cases)

27 (100)

25 (80.65)

5 (55.56)

0.003*

Maintenance of perfusion of the TAP after 12 months (Number of cases)

24 (88.89)

21 (67.74)

2 (22.22)

0.001*

  1. *χ2 test
  2. ***ANOVA test