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. 2020 May 4;10:7478. doi: 10.1038/s41598-020-63441-6

Table 3.

Final model parameter estimates.

Typical estimate BSV: CV%
Model for biomarker response
LDH
MTT (weeks) 22.3 (12.49–37.318) 59.8 (44.7–113.5)
TR50(U106) 23.7 (-)
LDH baseline (U/L) 225 (167.082–261.393) 31.3 (21.45–51.28)
kprol(weeks1) 0.0029 (0.00196–0.0053) 58 (51.75–224.27)
kkill_max(weeks1) 0.0077 (0.0056–0.012) 34 (31.3–128.45)
kout(weeks1) 0.321 (0.189–0.822)
Residual error (%) 0.0521 (0.0376–0.0576) NA*
MIA
MTT (weeks) 33.1 (28.04–36.9) 63.8 (41.6–83)
TR50(U106) 25.2 (-)
MIA baseline (ng/mL) 7.53 (5.57–7.85) 45.3 (27–54.8)
kprol(weeks1) 0.0028 (0.0022–0.0042) 75.6 (69.2–141)
kkill_max(weeks1) 0.0058 (0.003–0.0061) 34.6 (25.5–62.4)
kout(weeks1) 0.369 (0.288–0.486)
Residual error (%) 0.248 (0.192–0.296) NA
S100B
MTT (weeks) 22.3 (-) 59.8 (-)
TR50(U106) 19.9 (16.42–23.64)
S100B baseline (ng/mL) 0.0503 (0.038–0.0656) 42.4 (36.74–55.95)
kprol(weeks1) 0.0023 (0.0017–0.0025) 56.2 (45.8–73.48)
kkill_max(weeks1) 0.0065 (0.005–0.0072)
kout(weeks1) 1.99 (1.71–2.49)
Residual error (%) 0.348 (0.3–0.424) NA
OS model
λ 0.00181 (0.0016–0.0026)
βΔLDHrel 1.1 (0.59–1.9)
Myelosuppresion model
MTTANC(weeks) 0.52
ANC0(109/L) 3.41 (3.134–3.737) 32.4 (26.3–40)
Slope(U104) 0.0425 (0.0392–0.055)
Ke(weeks1) 0.389 (0.344–0.566) 52.4 (24.36–70.26)
γ 0.161
Residual error (109/L) 0.485 (0.465–0.501)

*NA: Not Applicable.

90% confidence intervals (in parenthesis) were obtained from 500 bootstrap analyses.

Estimates of between-subject variability (BSV) are shown as coefficients of variation.

Parameter names are defined in the text.