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VIDAS LMX – Summary 2012 v01
2.1.3 Results of assays
The analyses were performed singly using the two methods.
The results of analysed samples are presented in appendix B.
Results obtained after VIDAS LMX + Chrom’ID Ottaviani Agosti (bioMérieux) confirmations or VIDAS LMX +
Rapid’
L.mono
(BIORAD) confirmations
were similar, except for one sample (C7, which was confirmed only on
Rapid’
L.mono
).
The overall results are shown in the summary table below :
Positive reference method
(R+)
Negative reference method
(R-)
Positive alternative method (A+)
Positive agreement
(A+/R+)
PA = 153
Positive deviation
(R-/A+)
PD = 19
Negative alternative method (A-)
Negative deviation
(A-/R+)
ND = 18*
Negative agreement
(A-/R-)
NA = 194*
Legend :
A+ = positive confirmed
A- = immediate negatives
and
negatives after confirmation when presumed positive
* which no positive VIDAS LMX unconfirmed
The results for each of the sample categories are presented below :
Results according to general protocol
Meat products (62)
Positive reference method
(R+)
Negative reference method
(R-)
Positive alternative method
(A+)
Positive agreement (A+/R+)
PA = 24
Positive deviation (R-/A+)
PD = 3
Negative alternative method
(A-)
Negative deviation (A-/R+)
ND = 3
Negative agreement (A-/R-)
NA = 32
Case of dairy products :
Results according to general protocol
Dairy products (64)
Positive reference method
(R+)
Negative reference method
(R-)
Positive alternative method
(A+)
Positive agreement (A+/R+)
PA = 32
Positive deviation (R-/A+)
PD = 0
Negative alternative method
(A-)
Negative deviation (A-/R+)
ND = 2
Negative agreement (A-/R-)
NA = 30
Results according to specific protocol
Raw milk cheeses
(61)
Positive reference method
(R+)
Negative reference method
(R-)
Positive alternative method
(A+)
Positive agreement (A+/R+)
PA = 24
Positive deviation (R-/A+)
PD = 5
Negative alternative method
(A-)
Negative deviation (A-/R+)
ND = 4
Negative agreement (A-/R-)
NA = 28
Total results according to general and specific protocols
Dairy products including raw
milk cheeses (125)
Positive reference method
(R+)
Negative reference method
(R-)
Positive alternative method
(A+)
Positive agreement (A+/R+)
PA = 56
Positive deviation (R-/A+)
PD = 5
Negative alternative method
(A-)
Negative deviation (A-/R+)
ND = 6
Negative agreement (A-/R-)
NA = 58