TABLE I

--Association of symptoms and signs with diagnosis of acute maxillary sinusitis

Acute maxillary sinusitis
No (%)
present
(n=92)
No (%)
absent
(n=82)
Odds ratio
(95% confidence
interval)
Symptoms:
Illness > 1 day88 (96)76 (93)1.7 (0.5 to 6.3)
Previous sinusitis57 (62)66 (81)0.4 (0.2 to 0.8)
Preceding upper respiratory
tract infection82 (89)65 (79)2.1 (0.9 to 4.9)
Cough62 (67)51 (62)1.3 (0.7 to 2.3)
Nasal congestion73 (79)64 (78)1.1 (0.5 to 2.2)
Maxillary pain:
None5 (5)2 (2)3.1 (0.6 to 15.6)
Unilateral47 (51)31 (38)1.9 (1.0 to 3.4)
Bilateral40 (44)49 (60)
Maxillary toothache61 (66)42 (51)1.9 (1.0 to 3.5)
Pain bending forward69 (75)63 (77)0.9 (0.4 to 1.8)
Anosmia57 (62)47 (57)1.2 (0.7 to 2.2)
Cacosmia36 (39)29 (35)1.2 (0.6 to 2.2)
Signs:
Temperature > 38°C11 (13)9 (11)1.1 (0.4 to 2.8)
Purulent nasal discharge29 (32)18 (22)1.6 (0.8 to 3.2)
Purulent pharyngeal
discharge20 (22)15 (18)1.2 (0.6 to 2.6)
Swollen inflamed turbinates63 (68)56 (68)1.0 (0.5 to 1.9)
Tenderness of maxillary sinus:
Unilateral45 (49)26 (32)2.5 (1.2 to 5.2)
Bilateral27 (29)28 (34)1.4 (0.6 to 3.0)
None19 (21)27 (33)
Tenderness on tapping the
maxillary teeth39 (42)30 (36)1.2 (0.7 to 2.3)
Oedema over maxillary
sinus25 (27)31 (38)0.6 (0.3 to 1.2)