Table 1  Estimated incubation period for travellers infected with 2019 novel coronavirus (2019-nCoV) in Wuhan, China, for different parametric forms of the incubation period distribution, data 20–28 January 2020
Distribution  Mean (days)  SD (days)  LOO ICb
Estimatea  95% CI  Estimatea  95% CI
Weibull  6.4  5.6–7.7  2.3  1.7–3.7  486
Gamma  6.5  5.6–7.9  2.6  1.8–4.2  545
Lognormal  6.8  5.7–8.8  3.4  2.1–6.4  592
CI: credible interval; LOO IC: Leave-one-out information criterion; SD: standard deviation.
a Posterior median.
b LOO IC indicates the goodness-of-fit, where lower values indicate a better fit and differences larger than two are statistically relevant.