Table IV

Association of clinical criterion (either erythrocyte sedimentation rate >10 mm/h in men or >20 mm/h in women, or C reactive protein >10 mg/l in both sexes) with diagnosis of acute maxillary sinusitis

Acute maxillary sinusitis
No (%) present (n=89)No (%) absent (n=79)Odds ratio(95% confidence interval)
Clinical criterion:
 Present73 (82)34 (43)
 Absent16 (18)45 (57)6 (3.1 to 11.8)