White Blood Cells <15, 000 cells / mm3 (83.7%) and CRP < 20 mg / L (88.4%); blood culturespositive (9.3%); NTA positive (23.3%); abnormal X-ray (34.9%); oxygen therapy (62.8%); Cannula (55.8%); NCPAP (25.6%); mechanical ventilation (16.3%); antibiotic use (83.7%).