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Table 6 Data statistics of the training data set and independent testing data set among each serotype of GBS (serotype Ia, Ib, II, III, IV, V, VI, VII, and unknown serotypes)

From: Rapid classification of group B Streptococcus serotypes based on matrix-assisted laser desorption ionization-time of flight mass spectrometry and machine learning techniques

Serotypes

Number of Mass Spectra (%)a

Training Data Set

Independent Testing Data Set

Ia

41 (12.6%)

47 (10.2%)

Ib

41 (12.6%)

63 (13.6%)

II

16 (4.9%)

44 (9.5%)

III

111 (34.2%)

100 (21.6%)

IV

–

5 (1.1%)

V

41 (12.6%)

55 (11.9%)

VI

74 (22.8%)

143 (31.0%)

VII

1 (0.3%)

2 (0.4%)

VIII

–

1 (0.2%)

unknown

–

2 (0.4%)

Total

325 (100%)

462 (100%)

  1. a: Percentage of each serotype in two kinds of data sets