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. 2009 Apr 22;47(6):1888–1891. doi: 10.1128/JCM.00506-09

TABLE 3.

Impact of preanalytical handling of experimental frozen master mix on subsequent MRSA PCR results from low-titer, high-titer, and mock MRSA nasal swab specimen lysates

Acclimation environment and interval % of specimens with expected result
High-titer lysates (n = 12) Low-titer lysates (n = 12) Mock lysates (n = 24)
Room temp
    30 min 100.0 91.7 83.3c
    60 min 100.0 33.3a 16.7d
4°C
    30 min 100.0 100.0 100.0
    60 min 100.0 83.3b 100.0
a

Eight unresolved results.

b

One unresolved result and one negative result.

c

Four unresolved results.

d

Twenty unresolved results.