Table 3.

Erythrocyte counts: IRIS compared with manual microscopy before and after review

Manual count (cells/µl)	IRIS count (cells/µl)
	<10		10–49		50–99		⩾100
	Pre	Post	Pre	Post	Pre	Post	Pre	Post
<10	430	589	119	31	36	6	50	9
10–49	36	70	44	36	16	7	22	5
50–99	7	11	9	7	6	3	7	8
⩾100	3	6	5	5	10	7	65	65