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Table 2 Calculated linear equations of elongation and each ERB color and resulting Pearson’s correlation coefficient

From: Proceedings of the 10th International Symposium on Veterinary Rehabilitation and Physical Therapy; and the Summit of the American Association of Rehabilitation Veterinarians; and the American College of Veterinary Sports Medicine and Rehabilitation

ERB color

Linear equation

R2 value

Tan

y = 10.0x + 3.9

0.95

Yellow

y = 10.7x + 7.8

0.96

Red

y = 12.7x + 9.1

0.97

Green

y = 17.5x + 12.3

0.97

Blue

y = 19.6x + 14.1

0.97

Black

y = 27.4x + 18.4

0.97

  1. All colors resulted in strong correlation to a best fit line