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Table 1 Clinical data and Lung function at rest

From: Ventilation dynamics using a portable device coupled to the six-minute walk test in people with long-COVID syndrome: a preliminary study

Variables

Values

Clinical data

 

 Hypertension

6 (37.5%)

 Diabetes

4 (25%)

 Heart disease

2 (12.5%)

Spirometry

 

 FVC (% predicted)

93 (88–103)

 FEV1 (% predicted)

96 (88–102)

 FEV1/FVC (%)

84 (76–89)

 FEF25 − 75% (% predicted)

114 (74–126)

Respiratory oscillometry

 

 Fres (Hz)

11.8 (9–20)

 Rm (cm H2O/L/s)

5.6 (3.2–6.7)

 R4 (cm H2O/L/s)

6.3 (5.3–8)

 R4 (% predicted)

141 (112–194)

 R20 (cm H2O/L/s)

5.4 (4.6–6.6)

 R20 (% predicted)

136 (108–186)

 R4-R20 (cm H2O/L/s)

0.7 (0.2–2.2)

 AX (cm H2O/L)

3.6 (1.5–4.8)

  1. FVC forced vital capacity, FEV1 forced expiratory volume in one second, FEF25 − 75% forced expiratory flow during the middle half of the FVC, Fres resonance frequency, Rm = mean resistance between 4–20 Hz, R4 resistance at 4 Hz, R20 resistance at 20 Hz, R4-R20 difference between resistance at 4–20 Hz, AX integrated low-frequency reactance
  2. Results are expressed as median (interquartile ranges) or number (%)
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BMC Research Notes

ISSN: 1756-0500

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