Table 2. Scaling relationship between organ and body mass.
The regression slope indicates the proportional change of organ mass with increasing body mass, and 95% confidence intervals are shown (95% CL). Isometric (=) and negative allometric (−) growth are indicated by symbols.
| N | Slope | Lower 95% CL |
Upper 95% CL |
R 2 | |
|---|---|---|---|---|---|
| Heart | 69 | 0.91 (−) | 0.89 | 0.94 | 0.98 |
| Lungs | 62 | 0.86 (−) | 0.83 | 0.90 | 0.97 |
| Liver (wks. 0–6) | 69 | 0.95 (=) | 0.92 | 1.00 | 0.98 |
| Liver (wks. 0–2) | 30 | 1.10 (+) | 1.06 | 1.15 | 0.99 |
| Liver (wks. 2–6) | 59 | 0.76 (−) | 0.72 | 0.80 | 0.95 |
| Intestine | 69 | 0.75 (−) | 0.72 | 0.78 | 0.98 |