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. 2010 Nov 16;9:73. doi: 10.1186/1475-925X-9-73

Table 2.

Bulge height and compression force regression analysis

Independent variable Dependent variable R-square Intercept Slope
compression force bulge height (hm) 0.84 0.069 cm 0.002 cm/N

This gives the regression summary for the 35 water filled phantom images. It shows the bulge height (hm) is approximately a linear function of compression force.