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Table 2 Details of the MS-based identification results of the 200 clinical isolates included in the study

From: Assessment of various parameters to improve MALDI-TOF MS reference spectra libraries constructed for the routine identification of filamentous fungi

  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
  1. Concordant LS1: LS value for the first concordant identification with the library; non-concordant LS1: LS value for the first non-concordant identification with the library; Nb.: number.