Figure 1.
Sonographic findings over time: Average kidney pole-to-pole length (avPTP length) increases with body height (a), height-adjusted avPTP length decreases with age (b). Estimated total kidney volumes (eTKV) increase with body height (c), height-adjusted value (haeTKV) distribution is stable, although variable, in children (d). These findings were confirmed in a subset of patients in whom both haPTP length and haeTKV were available (e). The distribution of eTKV showed a similar relation to body height in different age groups (f).