Table 4.

Ordering Options for Standard CPAP Machines

	Generous Options		Limited Options		Minimal Options
	Possible	Cumulative	Possible	Cumulative	Possible	Cumulative
	Selections	Options	Selections	Options	Selections	Options
Pressure Options	16		4		2
		16		4		2
Pressure Reduction	4		2		2
		64		8		4
Mask Types	3		3		3
		192		24		12
Mask Designs	4		2		2
		768		48		24
Mask Size	3		3		3
		2304		144		72
Heated Humifier	2		2		2
		4608		288		144
Presure Ramp	2		2		2
		9216		576		288
Total Unique Options		9216		576		288

Notes: The possible numbers of unique order options for standard CPAP machine therapy are presented. The three columns show the results based on the author’s selection of a generous, limited, and minimal number of options for each variable. Possible Selections were chosen by the author and are described in the methods.