Table 1.

Demographics and clinical characteristics of children with acute sinusitis.

	Colonized with bacteria	Normal flora	P-value
	(n = 123)	(n = 51)
Age, years
Median [IQR]	4.2 [3.2, 6.0]	7.6 [4.9, 9.5]	<0.01
Gender
Male	65 (53%)	24 (47%)	0.49
Female	58 (47%)	27 (53%)
Race
White	59 (48%)	36 (71%)	0.03
Black	47 (38%)	11 (22%)
Other	17 (14%)	4 (8%)
Number of days with symptoms median [IQR]	14.0 [10.0, 15.0]	14.0 [11.0, 14.0]	0.74
Fever/felt warm
Yes	61 (50%)	27 (53%)	0.69
No	62 (50%)	24 (47%)
Green or yellow nasal discharge
Yes	85 (69%)	32 (63%)	0.42
No	38 (31%)	19 (37%)
Daytime cough
Yes	120 (98%)	49 (96%)	0.63
No	3 (2%)	2 (4%)
Asthma
Yes	27 (22%)	10 (20%)	0.73
No	96 (78%)	41 (80%)
Seasonal allergies
Yes	40 (33%)	18 (35%)	0.72
No	83 (67%)	33 (65%)
In school/preschool*
Yes	99 (80%)	40 (78%)	0.76
No	24 (20%)	11 (22%)
Season of diagnosis
Spring	48 (39%)	26 (51%)	0.48
Summer	8 (7%)	4 (8%)
Fall	34 (28%)	11 (22%)
Winter	33 (27%)	10 (20%)
PRSS
Median [IQR]	24.0 [19.0, 30.0]	25.0 [18.0, 29.0]	0.86
On oral antihistamine‡
Yes	19 (15%)	9 (18%)	0.72
No	104 (85%)	42 (82%)
On nasal antihistamine‡
Yes	2 (2%)	1 (2%)	>0.99
No	121 (98%)	50 (98%)

IQR, Interquartile range; PRSS, Pediatric Rhinosinusitis Symptom Score.

^*With at least ≥6 children for ≥10 h per week.

^‡Within 1 week of enrollment.