TABLE 1.

Clinical information of MR and MS patients

Clinical information	MR group (n = 206)	MS group (n = 29)	P
Median age in yrs (range)	4 (0–14)	5 (0–11)	NSb
No. of patients (male/female)	132/74	17/12	NS
% Patients with severe MPP	18.4 (38/206)	3.4 (1/29)	0.042
% Patients with large lesions on chest radiographya	61.7 (127/206)	41.3 (12/29)	0.038
Median durations in days (range)
Fever duration	8 (0–42)	6 (0–14)	0.001
Hospitalization duration	8 (2–45)	6 (3–16)	0.007
Fever duration after macrolide therapy	5 (0–42)	3 (0–10)	0.007
% Patients presenting with extrapulmonary complications	29.6 (61/206)	10.3 (3/29)	0.029
Digestive system (liver function abnormalities)	44.3 (27/61)	100 (3/3)
Cardiovascular system (myocarditis)	24.6 (15/61)	0 (0/3)
Rash	18.0 (11/61)	0 (0/3)
Nervous system (encephalitis)	6.6 (4/61)	0 (0/3)
Urinary system (proteinuria)	3.3 (2/61)	0 (0/3)
Hematologic system (hemolytic anemia)	1.6 (1/61)	0 (0/3)
Joint system (arthritis)	1.6 (1/61)	0 (0/3)

^aA large lesion was determined when the extent of infiltration on chest radiography was more than one-third of the lung.

^bNS, not significant.