Table 5.

IRIS BACT count compared with viable count

Viable count (cfu/ml)	IRIS BACT count (cells/µl)
	<1	1–9	10–99	⩾100
<1000	281	41	46	28
⩾1000 to <10 000	5	0	0	0
⩾10 000 to <100 000	53	5	16	6
⩾100 000	76	24	112	172

cfu, colony forming units.