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Table 2 Estimation performances at different levels of reproduction numbers and travel rates

From: A statistical method utilizing information of imported cases to estimate the transmissibility for an influenza pandemic

   Low travel volumes High travel volumes
n Mean SD SE 95% CrI Mean SD SE 95% CrI
R 0  = 1.2 4 1.21 0.02 0.01 (1.18, 1.25) 1.21 0.02 0.02 (1.17, 1.25)
8 1.21 0.01 0.01 (1.18, 1.23) 1.21 0.01 0.01 (1.18, 1.23)
12 1.21 0.01 0.01 (1.19, 1.22) 1.20 0.01 0.01 (1.18, 1.22)
16 1.21 0.01 0.01 (1.19, 1.22) 1.20 0.01 0.01 (1.19, 1.22)
20 1.21 0.01 0.01 (1.19, 1.22) 1.20 0.01 0.01 (1.19, 1.22)
R 0  = 1.7 4 1.72 0.05 0.05 (1.64, 1.82) 1.72 0.06 0.05 (1.63, 1.85)
8 1.71 0.04 0.03 (1.65, 1.79) 1.71 0.04 0.04 (1.64, 1.80)
12 1.71 0.03 0.03 (1.66, 1.76) 1.71 0.03 0.03 (1.65, 1.78)
16 1.71 0.02 0.02 (1.66, 1.75) 1.71 0.03 0.03 (1.66, 1.77)
20 1.70 0.02 0.02 (1.67, 1.74) 1.70 0.02 0.02 (1.66, 1.75)
R 0  = 2.2 4 2.22 0.09 0.08 (2.08, 2.43) 2.23 0.11 0.09 (2.04, 2.50)
8 2.21 0.06 0.06 (2.11, 2.35) 2.21 0.07 0.07 (2.08, 2.38)
12 2.21 0.05 0.05 (2.11, 2.32) 2.21 0.05 0.05 (2.12, 2.32)
16 2.21 0.04 0.04 (2.13, 2.29) 2.21 0.05 0.05 (2.12, 2.31)
20 2.20 0.04 0.04 (2.14, 2.28) 2.21 0.04 0.04 (2.13, 2.31)
  1. n numbers of countries having imported cases; SD Standard deviation of estimates in a simulation, SE Mean standard error of estimates in a simulation, 95% CrI 95% non-parametric credible intervals