Regression against body mass of organelle volume and surface area in red muscle fibres
| . | Equation Y=aWb . | Coefficient of determination (R2) . | Standard error of the slope (b) . | P-value . |
|---|---|---|---|---|
| V(myo,f) | 160.450W 0.085 | 0.799 | 0.016 | 0.0012 |
| V(nuc,f) | 3.162W–0.009 | 0.081 | 0.001 | 0.4585 |
| V(mitimf,f) | 51.308W0.016 | 0.308 | 0.009 | 0.1208 |
| V(mitss,f) | 58.203W0.018 | 0.250 | 0.012 | 0.1704 |
| V(mit,f) | 113.610W0.031 | 0.233 | 0.021 | 0.1878 |
| V(lipimf,f) | 1.397W0.002 | 0.148 | 0.001 | 0.3059 |
| V(lipss,f) | 0.940W0.001 | 0.150 | 0.001 | 0.3033 |
| V(lip,f) | 2.339W0.003 | 0.160 | 0.002 | 0.2865 |
| V(sarimf,f) | -2.589W0.034 | 0.762 | 0.007 | 0.0021 |
| V(sarss,f) | 13.197W0.015 | 0.343 | 0.008 | 0.0973 |
| V(sar,f) | 10.607W0.049 | 0.672 | 0.013 | 0.0068 |
| S(mitimf,f) | 214.442W0.078 | 0.378 | 0.038 | 0.0778 |
| S(mitss,f) | 247.287W0.074 | 0.228 | 0.051 | 0.1934 |
| S(mit,f) | 461.731W0.151 | 0.314 | 0.0084 | 0.1164 |
| S(lipimf,f) | 8.449W0.005 | 0.078 | 0.006 | 0.4665 |
| S(lipss,f) | 9.653W–1.598×10–4 | 1.544×10–4 | 0.005 | 0.9747 |
| S(lip,f) | 18.107W0.005 | 0.025 | 0.011 | 0.6843 |
| . | Equation Y=aWb . | Coefficient of determination (R2) . | Standard error of the slope (b) . | P-value . |
|---|---|---|---|---|
| V(myo,f) | 160.450W 0.085 | 0.799 | 0.016 | 0.0012 |
| V(nuc,f) | 3.162W–0.009 | 0.081 | 0.001 | 0.4585 |
| V(mitimf,f) | 51.308W0.016 | 0.308 | 0.009 | 0.1208 |
| V(mitss,f) | 58.203W0.018 | 0.250 | 0.012 | 0.1704 |
| V(mit,f) | 113.610W0.031 | 0.233 | 0.021 | 0.1878 |
| V(lipimf,f) | 1.397W0.002 | 0.148 | 0.001 | 0.3059 |
| V(lipss,f) | 0.940W0.001 | 0.150 | 0.001 | 0.3033 |
| V(lip,f) | 2.339W0.003 | 0.160 | 0.002 | 0.2865 |
| V(sarimf,f) | -2.589W0.034 | 0.762 | 0.007 | 0.0021 |
| V(sarss,f) | 13.197W0.015 | 0.343 | 0.008 | 0.0973 |
| V(sar,f) | 10.607W0.049 | 0.672 | 0.013 | 0.0068 |
| S(mitimf,f) | 214.442W0.078 | 0.378 | 0.038 | 0.0778 |
| S(mitss,f) | 247.287W0.074 | 0.228 | 0.051 | 0.1934 |
| S(mit,f) | 461.731W0.151 | 0.314 | 0.0084 | 0.1164 |
| S(lipimf,f) | 8.449W0.005 | 0.078 | 0.006 | 0.4665 |
| S(lipss,f) | 9.653W–1.598×10–4 | 1.544×10–4 | 0.005 | 0.9747 |
| S(lip,f) | 18.107W0.005 | 0.025 | 0.011 | 0.6843 |
V, organelle volume; S, surface area
Y is the parameter examined, a is a normalisation constant (the value of the y-axis intercept), W is the body mass (g) and b is the scaling exponent (slope of the regression line)
NB: V=Vv×Āf=μm3μm–3×μm2=μm2; S=Sv×Āf=μm2.μm–3×μm2=μm