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Table 3 Changes in MDA level and SOD activity

From: Transcutaneous electrical acupoint stimulation improves pulmonary function by regulating oxidative stress during one-lung ventilation in patients with lung cancer undergoing thoracoscopic surgery: a randomized controlled trial

 

TEAS Group (n = 40)

Sham Group (n = 40)

P

MDA (nmol/mL)

   

 T0

 T1

 T2

 T3

4.39 ± 0.63

4.94 ± 0.74*†

5.27 ± 0.83*#†

6.21 ± 0.89*#†

4.46 ± 0.61

5.01 ± 0.35*†

5.66 ± 0.81*†

7.10 ± 0.49*†

0.584â–³

0.584â–³

0.036â–³

< 0.001△

SOD (U/mL)

   

 T0

 T1

 T2

 T3

463.26 ± 26.98

458.01 ± 18.86

423.80 ± 16.85*#†

405.79 ± 27.25*#†

464.51 ± 30.90

457.76 ± 22.19

412.80 ± 13.50*†

387.22 ± 24.35*†

0.848â–³

0.957â–³

0.002â–³

0.002â–³

  1. Data are expressed as mean ± standard deviation. *P < 0.05 versus T0; #P < 0.05 versus sham group.â–³Student’s t-test, †RM-ANOVA. MDA: malondialdehyde; SOD: superoxide dismutase; TEAS: transcutaneous electrical acupoint stimulation; RM-ANOVA: repeated measures analysis of variance. T0: before one-lung ventilation; T1: 30 min after one-lung ventilation; T2: 1 h after one-lung ventilation; T3: 10 min after resuming two-lung ventilation.