Table 1 Discrimination results for the ATR FT-IR spectra of fresh BFs and unexpected samples using the five-class PLS-LDA model followed by Q-tests for each BF group validated.

From: Soft and Robust Identification of Body Fluid Using Fourier Transform Infrared Spectroscopy and Chemometric Strategies for Forensic Analysis

Actual Body Fluid Type

Predicted Body Fluid Type

Blood

Saliva

Semen

Urine

Sweat

Outliera

Blood

100

0

0

0

0

0

Saliva

0

89

0

0

0

1

Semen

0

0

99

0

0

1

Urine

0

0

0

97

0

3

Sweat

0

0

0

0

74

1

Non-BF

0

0

0

0

0

70

  1. aQ-tests for each BF group were implemented with a statistical significance level of 99.5%.
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