Table 2.

SARS score.^∗

Items	Initial Symptoms and Laboratory Findings	Score
A	Myalgias	1
B	Diarrhea	1
C	Cough†	−2
D	Rhinorrhea or sore throat	−1
E	Lymphopenia‡	1
F	Thrombocytopenia§	1

^∗Clinical score=A + B + C + D + E + F. If the total scores are zero or negative, then SARS is less likely. Symptom score= A + B + C + D. If the total scores are negative, then SARS is less likely.

^†“Cough” means that its occurrence was before or concomitant with fever.

^‡Lymphopenia is definited as lymphocyte count <1.0×10⁹/L.

^§Thrombocytopenia is definited as platelet count <150×10⁹/L.