Skip to main content
. 2017 Jun 15;25(2):74–84. doi: 10.12793/tcp.2017.25.2.74

Table 2. Bias and Precision for PD parameters in Single-Dose Scenarios (All values are rounded off to have 3 figures to allow for better readability.

Gamma relative BIAS (Accuracy: ≤15%, shaded) relative RMSE (Precision: ≤35%, shaded)
Dose (mg) Emax EC50 E0 γ Emax EC50 E0 γ
θ ω2 θ ω2 θ ω2 θ ω2 θ ω2 θ ω2 θ ω2 θ ω2
0.5 12.5 26.5 −23.0 316 31.9 −4.20 −1.60 −4.00 −20.0 62.6 49.3 1140 225 5.78 21.7 8.56 35.3
25 13.8 −14.0 113 8.67 −4.30 −1.60 −2.20 −16.0 36.7 35.9 410 209 5.82 22.1 7.83 31.9
50 7.02 −6.50 39.8 −21.0 −4.30 −1.40 −0.50 −13.0 19.9 24.3 94.0 166 5.85 22.3 8.05 29.0
100 4.67 −4.50 29.3 −19.0 −4.40 −1.10 0.94 −13.0 16.7 21.3 77.5 166 5.87 22.4 9.86 30.8
200 2.55 −3.80 26.1 −6.10 −4.40 −0.90 2.97 −18.0 15.8 17.7 92.1 165 5.89 22.5 13.2 37.5
400 2.18 −2.70 36.7 −6.50 −4.40 −0.70 3.86 −26.0 16.6 15.6 141 167 5.91 22.4 16.2 49.2
800 0.74 −2.80 48.5 30.0 −4.50 −0.50 5.78 −34.0 16.2 16.6 287 287 5.92 22.5 19.4 68.4
1 12.5 120 −68.0 346 85.8 −2.20 −0.50 −8.40 −28.0 398 84.1 1520 241 4.09 17.1 10.9 46.9
25 30.3 −33.0 63.9 39.3 −2.50 −1.40 −5.60 −19.0 69.6 64.1 159 136 4.30 18.2 7.73 35.0
50 10.9 −3.30 21.0 −5.50 −2.90 −1.70 −3.90 −13.0 22.4 43.6 38.8 89.0 4.60 19.7 6.42 26.3
100 7.80 6.88 15.7 −32.0 −3.30 −1.00 −3.70 −10.0 15.0 30.1 28.4 75.3 4.88 20.6 6.41 22.6
200 2.73 3.55 5.60 −22.0 −3.50 −0.10 −2.10 −12.0 8.43 21.0 17.8 62.5 5.04 21.4 5.77 25.1
400 0.16 1.37 0.07 −13.0 −3.60 0.43 −0.20 −16.0 5.47 18.7 11.5 62.0 5.11 21.9 6.14 33.2
800 −0.40 1.89 −1.20 −25.0 −3.70 0.81 0.00 −23.0 4.58 18.0 9.61 72.9 5.16 22.2 8.00 55.0
2 12.5 1420 48.0 1320 39.4 −1.00 1.03 −17.0 −55.0 6820 328 6170 258 3.59 17.1 23.3 71.5
25 824 −50.0 390 1.08 −1.20 1.13 −10.00 −42.0 3290 153 1650 111 3.56 18.0 14.6 52.9
50 31.8 −33.0 25.6 8.20 −1.60 0.10 −6.20 −22.0 54.9 83.9 40.4 50.6 3.78 18.0 8.54 34.1
100 4.57 3.52 5.79 −7.40 −2.60 0.25 −4.30 −7.50 12.7 47.8 12.2 37.5 4.35 19.1 6.45 22.2
200 −1.30 0.16 −0.90 −9.00 −3.20 −0.20 −1.90 −5.00 4.89 19.4 5.33 29.0 4.80 20.8 4.97 24.7
400 −1.10 −1.20 −0.80 −11.0 −3.80 0.34 −1.30 −6.50 3.68 14.9 4.60 27.2 5.23 21.9 5.66 37.1
800 −0.80 −0.80 0.36 −8.80 −4.20 1.50 −1.80 −24.0 3.17 14.3 4.45 30.9 5.53 22.9 6.85 49.0
5 50 800 99 23.0 −13.0 −0.20 1.69 −10.00 −35.0 4400 492 79.5 53.7 2.68 15.2 14.4 56.7
100 2.66 −22.0 1.56 2.56 −0.70 0.56 −4.50 −8.60 11.9 49.1 5.81 20.8 2.85 15.0 7.47 28.6
200 −1.40 −3.80 −0.20 −0.20 −1.50 0.76 −2.90 −8.40 4.02 21.5 3.11 17.0 3.30 16.1 5.21 28.4
400 −0.50 −0.80 1.12 −2.00 −2.40 1.33 −5.40 −8.90 3.01 15.3 3.43 18.9 3.85 17.4 7.09 35.6
800 0.00 −1.80 2.71 −2.90 −3.40 3.02 −13.0 −17.0 2.81 14.1 4.88 21.1 4.68 18.6 14.7 67.0
10 50 302 175 2.60 −24.0 −0.30 −0.20 −11.0 −13.0 1600 792 29.4 49.5 2.89 14.4 20.5 118
100 −0.30 −15.0 −0.90 −9.00 −0.30 −0.10 −5.60 −9.00 6.50 35.5 3.99 20.5 3.11 15.0 7.48 35.9
200 −0.60 −3.30 0.00 −1.60 −1.20 0.00 −5.20 −1.50 3.25 17.8 3.63 16.1 3.31 15.9 6.87 28.2
400 −0.20 −2.10 1.03 −4.70 −2.10 1.78 −13.0 11.0 3.18 14.4 3.79 16.3 3.92 19.9 14.1 62.3
800 0.05 −2.80 2.04 −5.90 −3.60 −1.20 −28.0 61.2 3.20 14.4 5.58 25.4 5.00 18.9 28.6 132