Table 2.

Comparison of the clinical indexes

Clinical index	NP group (n = 37)	Control group (n = 74)	P value
Female (n, %)	28, 75.7%	41, 55.4%	0.038
Age (years)	6.7 ± 2.5	7.1 ± 2.3	0.402
Total fever duration (days)	18.3 ± 8.7	11.4 ± 2.9	< 0.001
Pleural effusion (n, %)	23, 62.2%	29, 39.2%	0.027
Atelectasis (n, %)	3, 8.1%	9, 12.2%	0.748
Extrapulmonary Complications (n, %)	16, 43.2%	38, 51.4%	0.197

Data are presented as means ± SDs