Table 2 Details of the MS-based identification results of the 200 clinical isolates included in the study
Mass spectra libraries | ||||||||
|---|---|---|---|---|---|---|---|---|
B0 | B1 | B2 | B3 | B4 | B5 | B6 | B7 | |
Isolates included in the MSLs ( n=174 ) | ||||||||
Nb. of concordant identifications | 481 | 449 | 495 | 521 | 494 | 475 | 586 | 611 |
Median value of concordant LS1 values | 1.59 | 1.58 | 1.65 | 1.73 | 1.67 | 1.67 | 1.99 | 2.02 |
Nb. of concordant values with LS1>1.7 | 182 | 180 | 222 | 282 | 225 | 225 | 443 | 494 |
Percentage of concordant values with LS1>1.7 | 37.8 | 40.1 | 44.8 | 54.1 | 45.5 | 47.4 | 75.6 | 80.9 |
Range of concordant LS1 values | 0.49 - 2.39 | 0.29 - 2.45 | 0.50 - 2.45 | 0.66 - 2.57 | 0.18 - 2.44 | 0.70 - 2.44 | 0.60 - 2.57 | 0.77 - 2.57 |
Nb. of non-concordant identifications | 225 | 257 | 211 | 184 | 212 | 231 | 119 | 95 |
Median value of non-concordant LS1 values | 0.99 | 1.07 | 1.1 | 1.23 | 1.15 | 1.07 | 1.26 | 1.28 |
Range of non-concordant LS1 values | 0.29 - 1.44 | 0.14 - 1.55 | 0.27 - 1.58 | 0.43 - 1.58 | 0.25 - 1.85 | 0.14 - 1.52 | 0.65 - 1.69 | 0.69 - 1.69 |
Isolates not included in the MSLs ( n=26 ) | ||||||||
Nb. of concordant identifications | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Median values of concordant LS1 values | - | - | - | - | - | - | - | - |
Minimum and maximum values of the concordant LS1 | - | - | - | - | - | - | - | - |
Nb. of non-concordant identifications | 104 | 104 | 104 | 104 | 104 | 104 | 104 | 104 |
Median values of non-concordant LS1 values | 1.02 | 1.09 | 1.18 | 1.24 | 1.22 | 1.14 | 1.31 | 1.33 |
Range of non-concordant LS1 values | 0.50 - 1.39 | 0.45 - 1.43 | 0.46 - 1.44 | 0.56 - 1.56 | 0.52 - 1.54 | 0.54 - 1.49 | 0.76 - 1.79 | 0.88 - 1.79 |