Table 1.
Epidemiologic Features Among Children Hospitalized for Community-acquired Pneumonia With and Without Mycoplasma pneumoniae (N = 2254)
| Characteristic |
Mycoplasma pneumoniae PCR-Positivea (n = 182) |
Mycoplasma pneumoniae PCR-Negativeb (n = 2072) |
Unadjusted OR (95% CI) |
P Value |
|---|---|---|---|---|
| Age, y | ||||
| <2 | 21 (12) | 988 (48) | Reference | |
| 2–4 | 30 (16) | 544 (26) | 2.6 (1.5–4.6) | <.01 |
| 5–9 | 67 (37) | 336 (16) | 9.4 (5.7–15.6) | <.01 |
| 10–17 | 64 (35) | 204 (10) | 14.8 (8.8–24.7) | <.01 |
| Sex, male | 109 (60) | 1125 (54) | 1.3 (.9–1.7) | .1 |
| Race/ethnicity | ||||
| Non-Hispanic white | 113 (62) | 764 (37) | Reference | |
| Non-Hispanic black | 32 (18) | 744 (36) | 0.3 (.2–.4) | <.01 |
| Hispanic | 29 (16) | 399 (19) | 0.5 (.3–.8) | <.01 |
| Other | 5 (3) | 98 (5) | 0.3 (.1–.7) | <.01 |
| Study sitec | ||||
| Salt Lake City, Utah | 81 (45) | 677 (33) | Reference | |
| Memphis, Tennessee | 60 (43) | 783 (54) | 0.6 (.5–.9) | .01 |
| Nashville, Tennessee | 41 (34) | 612 (48) | 0.6 (.4–.8) | .003 |
| Household size >5 individuals | 61 (33) | 668 (33) | 1.1 (.8–1.4) | .08 |
| Daycare (children <6 y of age) | (n = 61) | (n = 1630) | ||
| Attends daycare | 12 (20) | 543 (33) | 0.5 (.3–.9) | .03 |
Data are presented as No. (%) unless otherwise indicated.
Abbreviations: CI, confidence interval; OR, odds ratio; PCR, polymerase chain reaction.
a
Radiographically confirmed community-acquired pneumonia (CAP) in a patient enrolled in Etiology of Pneumonia in the Community (EPIC) study with a positive Mycoplasma pneumoniae PCR result.
b
Radiographically confirmed CAP in a patient enrolled in EPIC with a negative Mycoplasma pneumoniae PCR result.
c
At each study site, there was one children’s hospital.