TABLE 3.

PVL-positive proportions in SCCmec-IV isolates recovered from children and adults

Patient category	Total			Source of isolate
				Bloodstreama			Respiratory tracta			SSASWb			Otherc
	No. tested	No. positive	% Positive	No. tested	No. positive	% Positive	No. tested	No. positive	% Positive	No. tested	No. positive	% Positive	No. tested	No. positive	% Positive
Child	424	416	98.1	9	9	100.0	18	13	72.2	390	388	99.5	6	6	100.0
Adult	423	377	89.1	31	19	61.3	18	18	100.0	352	333	94.6	12	7	58.3

^aFor children versus adults, P = 0.028 in bloodstream and P = 0.018 in respiratory tract.

^bSSASW, skin and soft tissues, abscesses, and surgical wounds.

^cIncludes 29 urine specimens, only 3 of which were positive for PVL. The three PVL-positive specimens were SCCmec-IV isolates.