Complicated norovirus infection and assessment of severity by a modified Vesikari disease score system in hospitalized children

Table 3 Stratification of patients’ disease severity by different score systems

Characteristics	Vesikari Score System	Modified Vesikari Score System	P-value ^a
Proportion No (%)
Mild	58(30.6 %)	50 (26.5 %)	0.437
Moderate	82 (43.9 %)	80 (42.3 %)	0.582
Severe	49 (25.9 %)	59 (31.2 %)	0.283
Hospitalization (days)
Mild	5 (4 ~ 5)^b	3 (3 ~ 4)	0.01
Moderate	4 (3 ~ 6)	5 (4 ~ 6)	0.28
Severe	4 (4 ~ 5)	5 (4 ~ 7)	0.027

^a Statistical comparison of disease severity assessed by different score systems
^b The mean (interquartile range, 25 % ~ 75 %) of hospitalization days

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