Table 1.

The SARS scores.^∗

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

^∗Symptom score = A + B + C + D. If the total score is <0, then SARS is less likely. Clinical score = A + B + C + D + E + F. If the total score is >0, then SARS is likely.

^†Lymphopenia is defined as lymphocyte count below 1.0×10⁹/L.

^‡Thrombocytopenia is defined as platelet count below 150×10⁹/L.