Table 2 Two-way ANOVA results for p-values for significance of the effects of the five selected band ratios, TMD and BV/TV measurements on age, sex or age/sex interaction.

From: Raman spectroscopy reveals age- and sex-related differences in cortical bone from people with osteoarthritis

Band ratios

Age (p-values)

Sex (p-values)

Age/sex interaction (p-values)

CO32−/PO43− cm−1

0.0038***

0.4100

0.4100

1441/1454 cm−1

0.0002***

0.8753

0.4504

PO43−/Amide 1

0.0001***

0.7335

0.0416**

CO32−/Amide 1

0.0028***

0.7614

0.0678*

1660/1690 cm−1

0.0186**

0.3543

0.5748

BV/TV

0.0274**

0.0444**

0.0072***

TMD

0.7031

0.6674

0.2706

  1. Significant differences occurring at three confidence levels are marked with asterisks as p < 0.01***, p < 0.05** and p < 0.1*.
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