TABLE 1.

Demographics of study population

Characteristic	Value for patients infected with:		P value
	Macrolide-resistant isolates (n = 27)	Macrolide-susceptible isolates (n = 333)
No. (%) of patients by sex
Females	14 (51.8)	141 (42.5)	0.34
Males	13 (48.2)	191 (57.5)
No. (%) of patients by race/ethnicity
White	15 (55.6)	151 (45.3)	0.32
Black	2 (7.4)	27 (8.1)	0.99
Hispanic	1 (3.7)	56 (16.8)	0.09
Asian/Other/unknown	9 (33.3)	99 (29.7)	0.07
Mean ± SD (range) age (yr)	22.3 ± 22.8 (1–83)	14 ± 18.5 (0–88)	0.10
No. (%) of patients:
Under age 19 yr (n = 306)	21 (6.9)	285 (93.1)	0.27
Age 19 yr or older (n = 54)	6 (11.1)	48 (88.9)
No. (%) of patients by patient location
Inpatient	9 (36)	122 (39.4)	0.74
Outpatient (emergency room, clinic)	16 (64)	188 (60.6)