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Table 2 Classification accuracies of a standardized support vector machine (SVM) model trained using mid-infrared spectra from mosquitoes preserved on silica desiccant, stored for 1 week, and used to age-classify other mosquitoes handled in same or alternative ways

From: Effects of sample preservation methods and duration of storage on the performance of mid-infrared spectroscopy for predicting the age of malaria vectors

Preservation method

Storage duration

Classification accuracy

Silica gel

1 Week

100%

4 Weeks

88%

8 Weeks

61%

Ethanol (100%)

1 Week

76%

4 Weeks

71%

8 Weeks

70%

Freezing − 20 °C

1 Week

52%

4 Weeks

54%

8 Weeks

51%