Table III

Association of concentration of C reactive protein with diagnosis of acute maxillary sinusitis

Acute maxillary sinusitis
No (%) present (n=92)No (%) absent (n=81)Odds ratio(95% confidence interval)
C reactive protein (mg/l)
 >4930 (33)8 (10)7.4 (3.1 to 18.0)
 49-2518 (19)10 (12)3.5 (1.4 to 8.6)
 24-1119 (21)14 (17)2.7 (1.2 to 6.1)
 >1125 (27)49 (60)