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Contrast Media & Molecular Imaging
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2022
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Article
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Tab 4
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Research Article
[Retracted] The Effects of Sequential Ventilation Therapy on Blood Gas Indexes, Pulmonary Function Indexes, Clinical Efficacy, and Safety in Patients with Severe Cor Pulmonale
Table 4
Lung function changes before and after treatment.
Group
n
FEV1 (%)
FEV1/FVC (%)
PEF (L/min)
Before
After
Before
After
Before
After
Control group
48
53.45 ± 3.97
58.01 ± 4.34a
51.34 ± 4.18
58.16 ± 3.93a
260.19 ± 23.75
320.15 ± 30.24a
Study group
48
53.78 ± 3.98
67.26 ± 3.69a
52.05 ± 3.92
63.84 ± 4.25a
267.19 ± 24.44
397.05 ± 28.79a
T
−0.408
−11.247
−0.866
−6.790
−1.422
−12.761
0.684
< 0.001
0.389
< 0.001
0.158
<0.001