. 2009 Feb 25;47(4):1229–1230. doi: 10.1128/JCM.02424-08

TABLE 1.

Predictive values of negative VRE and MRSA cultures

No. of consecutive negative cultures following a positive	VRE		MRSA
No. of consecutive negative cultures following a positive	No. of culture sets^a	% (95% CI) sets with next culture negative^b	No. of culture sets	% (95% CI) sets with next culture negative^b
1	511	52 (47-56)	345	70 (65-75)
2	148	68 (60-75)	134	82 (75-88)
3	60	72 (59-81)	69	94 (86-98)

Culture sets with one additional culture following the consecutive negative cultures.

CI, confidence interval.