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Table 2 Results of parameters evaluated before and after 6MWT in the two groups of patients (PEP group–Control group)

From: Use of positive expiratory pressure during six minute walk test: results in patients with moderate to severe chronic obstructive pulmonary disease

 

6MWT 1stTEST

6MWT 2ndTEST

 
 

(before randomization)

(after randomization)

 
 

Group A (PEP)

Group B

Group A (PEP)

Group B

p

Distance walked (meters)

     
 

232.56 ± 101.59

262.44 ± 95.02

294.22 ± 97.31

265.67 ± 94.43

< 0.02

Dyspnea (Borg)

     

 Time 0*

1.63 ± 1.20

1.08 ± 1.03

1.49 ± 0.90

0.86 ± 0.97

0.4339

 Time 1**

4.29 ± 1.75

4.22 ± 2.01

3.18 ± 1.65

4.41 ± 2.14

 

Respiratory rate

     

 Time 0*

19.92 ± 5.26

20.68 ± 4.80

19.62 ± 4.64

20.65 ± 4.45

0.4884

 Time 1**

26.68 ± 4.04

27.08 ± 4.35

23.38 ± 5.09

27.22 ± 3.28

 

Heart rate

     

 Time 0*

80.17 ± 14.70

78.75 ± 10.23

80.17 ± 12.72

76.67 ± 13.48

<0.03

 Time 1**

96.66 ± 15.76

97.36 ± 11.71

92.56 ± 12.57

98.96 ± 13.86

 

Oxygen saturation %

     

 Time 0*

94.74 ± 0.01

94.61 ± 0.01

94.96 ± 0.02

94.84 ± 0.01

<0.01

 Time 1**

88.97 ± 0.04

90.27 ± 0.04

90.75 ± 0.03

89.76 ± 0.04

 
  1. * At the beginning of the test.
  2. ** At the end of the test.
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Multidisciplinary Respiratory Medicine

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