Table 4.

Summary of treatment costs in each treatment arm

Type of costs	Office Biofeedback (n=44)		Home Biofeedback (n=37)
	Computation	Cost (median, IQR)	Computation	Cost (median, IQR)
Hospital costs	6 sessions x HC per session	$732.78	4 sessions x HC per session	$30.69
Physician costs	6 sessions x PC per session	$625.50	4 sessions x PC per session	$90.00
Equipment costs	0	$0	$280 = $100 (device) + 1.5 x $120/probe	$244.00
Home treatment	0	$0	SPH* (estimated data) x 0.5	$185.80 ($112.30, $325.20)
Loss of salary due to appointments	2.25 hrs x 6 sessions x SPH	$134.73 ($101.79, $357.21)	1.75 hrs. x 4 sessions x SPH	$142.20 ($79.17, $402.50)
Travel time costs	Roundtrip distance x 6 sessions x SPH	$132.50 ($56.60, $345.60)	Roundtrip distance x 4 sessions x SPH	$149.40 ($71.50, $276)
Transportation costs	Roundtrip distance x 6 sessions x 0.35	$203.70 ($48.50, $424)	Roundtrip distance x 4 sessions x 0.35	$179.20 ($78.10, $259.80)
Total costs*		$1942.50 ($1621.70, $2369)		$1112.39($825.59$1429.99

^*P value (total costs): <0.001. SPH = salary per hour, taken from the Bureau of labor and statistics (2007) using patient’s job description and state of residence; HC = hospital costs; andPC = physician costs