Table 2.

Changes in plasma chemokines of SARS patients before and after corticosteroid treatment

Chemokine concentration (ng/l)	Immediately before corticosteroid treatment	1–2 days after corticosteroid treatment	5–8 days after corticosteroid treatment
IL-8	8·7 (4·8–14·1)	5·9 (2·8–19·8)	2·2 (1·7–6·1)*†
IP-10	5553·0 (4864·0–7557·0)	4826·0 (2725·0–6098·0)	894·5 (574·0–3117·0)*†
MCP-1	84·0 (36·5–198)	68·5 (26·0–118·5)	23·0 (14·0–37·0)*†

Results as median (interquartile range).

^*P < 0·005 compared with concentrations before corticosteroid treatment

^†P < 0·05 compared with concentrations 1–2 days after corticosteroid treatment.