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. 2018 Jan 15;14(1):101–108. doi: 10.5664/jcsm.6892

Figure 1. Study flow diagram showing study mask allocations and withdrawals.

Figure 1

* = a faulty CPAP data card led to missing NM treatment data in 1 patient who completed the full protocol. CPAP = continuous positive airway pressure, FTA = failed to attend subsequent appointment, NM = nasal mask, NM-CS = nasal mask with chinstrap, ONM = oronasal mask.