16 19 In our study we found a clear trend towards a reduction in healthcare resource utilisation with NIV treatment after only 2 months of follow-up, although this degree of improvement did not remain statistically significant in adjusted analysis.
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Non-invasive ventilation in obesity hypoventilation syndrome without severe obstructive sleep apnoea.
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The sentences
Although the 6-MWD test results improved more with NIV treatment, it did not reach statistical significance in intra- or inter-group comparisons.