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. 2011 Apr 1;34(4):479–485. doi: 10.1093/sleep/34.4.479

Table S3.

Patient drop-out reasons (ITT group at month 3)

EPAP Sham
N = 19/119 (16.0%) N = 15/110 (13.6%)
Lost to follow-up 2 5
Device-related adverse events
    Dry mouth/throat 3
    Breathing discomfort 2
    Nasal itching 1
    Sleep maintenance insomnia 1
    Vertigo 1
    Oxygen desaturation 1
Adverse events not device related
    Tonsil infection 1
    Transient ischemic attack 1
    Severe degenerative disc disease and neuropathic pain 1
Unable to acclimate to device 1 1
Patient non-compliant with protocol
    Due to study assessment requirements 2
    Unwilling to do last 2 PSGs 1
    Missed month 3 office visit 1 1
    Patient using CPAP 1
Site protocol deviation
    Violation of study entry criteria 2
Patient prefers alternative treatment 2
Other
    Patient not allowed on hospital property 1
    Patient personal emergency 1
    Site withdrawal from study (staff lay-offs) 1

EPAP vs sham dropout rate P = 0.62.