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Table 2 Collagen content in the 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 collagena (absorbance) Loaded collagen (absorbance) Difference
1 37.8 31.8 -6.0
2 29.8 28.2 -1.6
3 31.1 33.0 1.9
4 42.6 38.3 -4.3
5 31.0 32.1 1.1
6 39.5 37.5 -2.0
Mean 35.3 33.5 -1.8
SD 5.3 3.8 3.0
Significanceb    >0.05
  1. aCollagen content was measured as the mean integrated collagen peak (1,710 - 1,595 cm-1) value from the Fourier Transform Infrared spectra; bstatistical significance was calculated using the two-tailed, paired Student t test (α = 0.05). SD, standard deviation.