Table 7.
Correlation between body size predictors, eGFR, and the IA per renal absorbed dose (GBq/Gy) at the first induction cycle (n = 77)
| Correlation a | Linear regression slope | Relative error (%) | ||||||
|---|---|---|---|---|---|---|---|---|
| 3TP | 2TP | 3TP | 2TP | 3TP | 2TP | |||
| r | P | r | P | |||||
| Weight (Kg) | 0.13 | 0.25 | 0.13 | 0.26 | 0.026 | 0.026 | 2.3 [−46.0–66.6] (− 61.5–165.7) |
2.0 [−47.0–66.3] (− 62.6–168.8) |
| LBW (Kg) | 0.18 | 0.12 | 0.17 | 0.13 | 0.037 | 0.036 | 5.6 [−38.4–73.9] (− 58.4–190.4) |
6.8 [− 39.4–71.0] (− 59.6–193.7) |
| BSA (m2) | 0.16 | 0.17 | 0.15 | 0.13 | 1.09 | 1.07 | 7.4 [−38.2–73.5] (− 53.5–227.7) |
6.9 [− 39.1–76.8] (− 54.8–231.5) |
| eGFR (ml/min/1.73m2) | 0.34 | 0.002 | 0.36 | 0.001 | 0.022 | 0.021 | 1.0 [− 36.2–70.2] (− 61.2–164.1) |
1.5 [− 36.2–71.9] (− 61.1–173.3) |
| eGFR · weight | 0.34 | 0.002 | 0.35 | 0.002 | 0.00026 | 0.00026 | −1.9 [− 46.7–63.8] (− 62.9–124.4) |
−2.7 [− 45.9–61.7] (− 62.8–123.3) |
| eGFR · LBW | 0.40 | 0.0003 | 0.41 | 0.0002 | 0.00037 | 0.00036 | −0.3 [− 43.0–57.1] (− 67.6–140.2) |
0.8 [− 43.4–58.3] (− 67.5–139.0) |
| eGFR · BSA | 0.38 | 0.0008 | 0.39 | 0.0005 | 0.012 | 0.012 | − 0.0 [−36.2–70.2] (− 63.8–128.2) |
− 0.7 [− 36.9–70.1] (− 63.7–127.3) |
BSA body surface area, eGFR estimated glomerular filtration rate, LBW lean body weight, TP time points
Relative error data is presented as median [interdecile range] (range)
aSpearman’s correlation