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Table 2 Comparison of oxygen saturation, the need for oxygen, respiratory rate, and heart rate between the intervention and control groups at baseline (pre) and 4-day of follow-up (post)

From: Effects of short-term breathing exercises on respiratory recovery in patients with COVID-19: a quasi-experimental study

 

Intervention group, (n = 79)

Control group, (n = 58)

Between group comparison (Intervention-control)

Measures

Pre

Post

Within group

P value

Pre

Post

Within group

P value

Pre

P value

Post

P value

Oxygen saturation (SpO2)

mean (± SD)

87.9 (3.7)

96.6 (1.9)

 < 0.001

88.0 (2.4)

90.7 (1.8)

 < 0.001

0.75

 < 0.001

Need of oxygen, (litre/min)

mean (± SD)

2.9 (2.8)

0.81 (2.6)

 < 0.001

2.1 (2.6)

2.3 (2.9)

0.32

0.06

 < 0.001

Respiratory rate

(breaths/min), mean (± SD)

26.8 (5.2)

20.5 (2.3)

 < 0.001

25.4 (3.9)

22.3 (2.5)

 < 0.001

0.08

 < 0.001

Missing

n = 10

n = 12

 

n = 7

n = 9

   

Heart rate (beats/min)

mean (± SD)

93.3 (12.7)

81.2 (9.5)

 < 0.001

95.6 (9.3)

89.2 (8.9)

 < 0.001

0.26

 < 0.001

Missing

n = 1

n = 0

 

n = 1

n = 2

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