| Variables | Age (yr) | LLV (mL) | RLV (mL) | TGV (mL) |
| Mean | 32.02 | 2.12 | 2.61 | 4.74 |
| SE | 1.16 | 0.07 | 0.09 | 0.15 |
| SD | 17.18 | 1.07 | 1.40 | 2.30 |
| Min. | 1.50 | 0.16 | 0.24 | 0.40 |
| Max. | 86.00 | 7.01 | 7.76 | 13.87 |