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Table 2 Comparison of pre- and post-operative parameters of patients

From: 2D perfusion angiography: an alternative method to evaluate endovascular intervention for acute lower limb ischemia

Measurement

Pre-operative

Pre-operative

t

p

Femoral head TTP (s)

4.46 ± 1.05

4.71 ± 1.04

−1.715

> 0.05

Knee joint TTP (s)

11.49 ± 2.27

9.82 ± 2.46

7.670

< 0.01

Ankle joint TTP (s)

22.15 ± 2.98

16.76 ± 3.93

8.980

< 0.01

TTP difference in knee area (s)

7.03 ± 2.57

5.12 ± 2.45

7.479

< 0.01

TTP difference in ankle area (s)

10.66 ± 4.07

6.93 ± 4.37

3.809

< 0.01

TcPO2 (mmHg)

27.75 ± 5.32

40.92 ± 4.62

−14.994

< 0.01

ABI (%)

0.35 ± 0.16

0.79 ± 0.15

−13.238

< 0.01

  1. TTP = time to peak
  2. TcPO2 = transcutaneous oxygen partial pressure
  3. ABI = ankle-brachial index