Table 5.

Cost per infection of home and clinic retesting

Trial arm	Retest uptake	n	%	Cost of retest component $	Cost of overall retest pathway $	Overall cost $	No. of repeat infections	Cost per repeat infection $
Clinic retest	No retest	181	61		98.7a	17864.7
	Retest	117	39	69.9	168.6	19726.2
	Total	298				37590.9	12	3132.6
Home retest REACT study	No retest	118	39		116.4b	13735.2
	Retest at home	134	44	55.3	154.0	20636.0
	Sent home kit but retested at the clinic	50	17		186.3c	9315.0
	Total	302				43686.2	31	1409.2

^aIncludes all costs in the clinic retest pathway except the retest component

^bIncludes all costs in the home retest strategy except the laboratory fee

^cIncludes all costs in the home retest strategy except the laboratory fee, plus the cost of the clinic retest component