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Table 1 Proteoglycan content in cartilage of cyclically loaded rabbit metacarpophalangeal joints and their contra-lateral controls

From: Long-term cyclical in vivoloading increases cartilage proteoglycan content in a spatially specific manner: an infrared microspectroscopic imaging and polarized light microscopy study

Rabbit no.

Control PGa (absorbance)

Loaded PG (absorbance)

Difference

1

2.1

7.0

4.9

2

2.1

2.6

0.5

3

6.5

10.3

3.8

4

5.2

6.5

1.3

5

4.6

6.0

1.4

6

6.3

6.9

0.6

Mean

4.4

6.5

2.1

SD

1.9

2.4

1.8

Significanceb

  

0.03

  1. aPG content was measured as the mean integrated PG peak (1,185 - 960 cm-1) value from the Fourier Transform Infrared spectra; bstatistical significance was calculated using the two-tailed, paired Student t test (α = 0.05). PG, proteoglycan; SD, standard deviation.
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Arthritis Research & Therapy

ISSN: 1478-6362

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