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Table 2 Preoperative lung function and pulse oximetry saturation baseline values breathing room air (n.s. = no significance)

From: Short term non-invasive ventilation post-surgery improves arterial blood-gases in obese subjects compared to supplemental oxygen delivery - a randomized controlled trial

 

SpO2(%) before premed.

SpO2(%) after premed.

FVC (l)

FEV1 (l)

PEF(l/s)

MEF 25-75 (l/s)

NIV

96.9 ± 1.0

95.8 ± 1.5

3.81 ± 1.1

3.05 ± 0.9

6.9 ± 1.9

3.15 ± 1.2

Control

97.0 ± 1.4

95.9 ± 1.9

3.69 ± 1.0

2.98 ± 0.7

6.8 ± 2.3

3.09 ± 1.1

t-test p < 0.05

n.s.

n.s.

n.s.

n.s.

n.s.

n.s.