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Table 8 Serum SOD and MDA in Xuan Bai Cheng Qi and control groups before and and after treatment

From: Xuan Bai Cheng Qi formula as an adjuvant treatment of acute exacerbation of chronic obstructive pulmonary disease of the syndrome type phlegm-heat obstructing the lungs: a multicenter, randomized, double-blind, placebo-controlled clinical trial

Variables

XBCQa(n = 20)

Controla(n = 20)

Treatment effectc(95% CI; P value)

 

Day 1 (Baseline)

Day 10 (End)

Mean Db

Day 1 (Baseline)

Day 10 (End)

Mean D

 

SOD (U/mL)

20.56 (4.95)

28.54 (4.66)

7.98 (5.97)

21.90 (5.32)

23.24 (6.76)

1.33 (4.21)

6.09 (2.94, 9.23; < .001)

MDA (nmol/mL)

4.43 (1.52)

1.89 (0.52)

-2.54 (1.65)

4.52 (1.44)

2.98 (1.45)

-1.54 (0.94)b

-1.07 (-1.55, -0.59; < .001)

  1. Abbreviations: CI confidence interval, MDA malondialdehyde, Mean D mean difference, SOD superoxide dismutase, XBCQ Xuan Bai Cheng Qi.
  2. aData presented as mean (SD).
  3. b P < .01: Change between pre-treatment and post-treatment (within group difference by paired t-test).
  4. cCovariance analysis estimate with 95% confidence interval for difference.