Table 4.

Root mean square error between simulated and official statistical data for Belgium, Netherlands and Luxembourg using SEIRD model.

RMSE	Belgium	Netherlands	Luxembourg
	mean ± std	mean ± std	mean ± std
Mild infected	240.79 ± 90.556	219.52 ± 20.49	198.54 ± 78.53
Severe infected (hospitalized)	7.47 ± 2.64	2.49 ± 0.1	2.24 ± 0.83
Critical infected (ICU)	0.58 ± 0.49	0.05 ± 0.002	0.15 ± 0.1
deceased	49.09 ± 40.82	21.7 ± 6.4	4.98 ± 2.11