Table 2—

Clinical characteristics of the study population at enrollment

CharacteristicsMycoplasma pneumoniae infection, n=68Chlamydia pneumoniae infection, n=8Mixed Mycoplasma pneumoniae and Chlamydia pneumoniae infection, n=11
Mean age, yrs6.32±3.345.76±2.946.90±3.36
Onset
 Gradual41 (60.3)6 (75.0)6 (54.5)
 Acute27 (39.7)2 (25.0)5 (45.5)
Similar illness within the family4 (5.8)1 (12.5)1 (9.0)
Cough44 (64.7)4 (50.0)7 (63.6)
Tachypnea8 (11.7)01 (9.0)
Fever58 (85.2)5 (62.5)10 (90.9)
Rales60 (88.2)7 (87.5)10 (90.9)
Wheezes10 (14.7)1 (12.5)1 (9.0)
Days of illness13.17±6.6710.75±4.2713.00±5.50
Days of hospitalization6.51±2.746.38±2.886.33±3.39
  • Data are presented as means±sd or number (percentage). No significant differences were observed.