Table 2.

Clinical features of 89 prospectively studied children with community-acquired respiratory tract infection

Clinical featureNo. of patients (%)
Investi-gatedWith feature and:
M. pneumoniae infection (n = 9)Other or unknown etiology (n = 80)
Age (yr)a 891–16 (9)0–16 (5)
Cough899 (100)74 (93)
Coryza890 (0)59 (74)b
Malaise886 (75)59 (74)
Headache722 (29)17 (26)
Myalgia721 (14)8 (12)
Earache890 (0)13 (16)
Fever >38°C894 (44)30 (38)
Pharyngeal erythema885 (56)31 (39)
Cervical adenopathy882 (25)22 (28)
Rales, wheezes898 (89)46 (56)
Chest radiograph695c (56)27c (45)
Erythrocyte sedimentation ratea 8815–110 (43)1–115 (15)
Leukocyte count (109/liter)a 887–14 (11)4–37 (11)
  • a Numbers represent range (median).

  • b P < 0.001 (Fisher’s exact test).

  • c Number of abnormal chest radiographs.