Table 9 ER+, PR+ and HER2 subgroup rates for the 2006 audit according to location of laboratory and rates of unsatisfactory performance in one or more technical exercises.

Location	Location of labs		ER positive (%)	PR positive (%)	HER2 positive (%)	ER technical unsatisfactory (%)	PR technical unsatisfactory (%)	HER2 technical unsatisfactory (%)
Australia	NSW		73	66	13	51	40	71
	Vic		80	62	16	56	47	43
	Qld		82	65	12	40	34	58
	SA		78	70	19	26	17	37
	WA		79	65	15	57	35	38
	Tas		66	51	20	50	33	50
NZ			77	67	13	46	39	55
International			57	50	33	50	28	41
Total laboratories	67	Average	74	62	18	47	34	49
		SD	8	7	7	10	9	12

ER, oestrogen receptor; PR, progesterone receptor.