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Table 2 Mean values for primary and secondary outcomes in participants

From: Reliability and usability of a portable spirometer compared to a laboratory spirometer

Parameter

Mean ± SD

p-value

VC-30 Pro

MasterScreen PFT

FEV1

2.40 ± 0.78

2.41 ± 0.79

0.050

FVC

3.28 ± 0.94

3.27 ± 0.94

0.583

FEV1/FVC

75.03 ± 15.74

75.41 ± 15.05

0.171

PEF

6.10 ± 2.03

6.32 ± 2.10

 < 0.001

FEF25−75%

2.25 ± 1.28

2.08 ± 1.24

 < 0.001

VC

3.30 ± 0.95

3.29 ± 0.95

0.523

MVV

92.61 ± 33.62

93.81 ± 33.82

0.034

FEV6

3.14 ± 1.06

3.11 ± 1.08

0.178

FEV1/FEV6

68.93 ± 13.16

69.63 ± 13.23

0.193

  1. FEV1 Forced expiratory volume in 1 s, FVC Forced vital capacity, PEF Peak expiratory flow, FEF25−75% Forced expiratory flow between 25 and 75% of FVC, VC Vital capacity, MVV Maximal voluntary ventilation, FEV6 Forced expiratory volume in 6 s
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BMC Pulmonary Medicine

ISSN: 1471-2466

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