Serum inflammatory markers in children with Mycoplasma pneumoniae pneumonia and their predictive value for mycoplasma severity

Table 1 Baseline characteristics of the studied population, n (%)

	Severe MPP (n = 80)	Mild MPP (n = 80)	P value
Sex (male, %)	38 (47.5)	43 (53.8)	0.362
Age, yr	6.82 ± 2.55	7.63 ± 2.67	0.287
Asthma	20 (25)	4 (5)	0.001
Allergic rhinitis	36 (45)	32 (40)	0.325
Fever time, d	6.54 ± 2.83	3.65 ± 1.81	0.001
Hospital stay, d	9.25 ± 2.53	6.54 ± 2.58	0.001
Oxygen need	80 (100)	5 (6.25)	0.001
PICU stay, d	3.62 ± 1.53	0	0.001
PIBO	18 (22.5)	0	0.001
Pleural effusion	16 (20)	0	0.001
Macrolide-resistant MPP	74 (92.5)	32 (40)	0.001
Extrapulmonary manifestations	48 (60)	2 (2.5)	0.001
Lung consolidation	58 (72.5)	4 (5)	0.001

Data are presented as mean ± standard deviation, n (%), or median (interquartile range). SMPP: Severe mycoplasma pneumoniae pneumonia; PICU: Pediatric intensive care unit; PIBO: Postinfectious bronchiolitis obliterans; MPP: Mycoplasma pneumoniae pneumonia.