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. Author manuscript; available in PMC: 2021 Oct 29.
Published in final edited form as: J Biomed Inform. 2021 May 20;119:103818. doi: 10.1016/j.jbi.2021.103818

Table 4.

Fitted values of parameters learned from the training data in SSIR-HCD model.

Low-contact group High-contact group

Proportion of population in Reopening Phase I 60.38% 39.62%
Proportion of population in Reopening Phase II 41.70% 58.30%
Hospitalization period Thosp 10.00 days
Critical period Tcrit 14.00 days
Asymptomatic rate among infectious people ra 0.996
Ratio of hospitalizations turning into critical rc 0.45
Ratio of critical patients turning into death rf 0.44
*

Different parameter bounds are set in the two groups so that R0 in the low-contact group is slightly lower than the high-contact group. We follow the research results of a previous paper to set parameters [33,39,13].