TABLE 2.

Diagnostic values of the SSMAC test, indicating the most efficient sampling sites

Sampling site(s)	Diagnostic value (%)
	Sensitivity	Specificity	Positive predictive value	Negative predictive value
All sample sites
Excluding intermediate results	72.7	99.2	76.2	99.0
Including intermediate results as positive results	75.3	98.2	63.2	99.0
Naresa	90.0	99.6	90.0	99.6
Oropharynxa	85.7	99.0	88.8	98.7
Rectuma	70	98	53.8	98.7
Bronchial aspiratea	35.7	100	100	97.2
Nares + oropharynx + rectum
Excluding intermediate results	83.3	98.9	80.0	99.1
Including intermediate results as positive results	87.5	98.9	89.8	99.1

^aExcluding intermediate results.