Table 2.

Overall recovery at delay times and temperatures for FA PLUS, PF PLUS, and FN PLUS

Delayed entry time (h)	Delayed entry holding temperature (°C)	Avg. TTD (h)	Hold time + Avg. TTD (h)	TTD range + hold time (h)	Detection rate % # (+)/n
No delay	No delay	13.8	13.8	8.5–40.5	100 (460/460)
24	20–25 °C	8.5	32.5	27.4–54.3	100 (458/458)
36	20–25 °C	6.5	42.5	37.5–65.1	99.6 (457/459)
Grand total					99.9 (1375/1377)a

^aTwo bottles seeded with Acinetobacter baumannii were negative when held at RT for 36 h. One of these bottles was a false negative