S.no Patient characteristics Value
1 Age (months), median, (IQR) 6 (3, 9)
2 Gender, Male/Female 38/15
3 Term/ Preterm 49/4
4 Birth weight, kg, median, (IQR) 2.6 (1.7, 3.5)
5 Weight for age, Z-score at enrolment, median, (IQR) -2.82 (-3, -1.95)
6 Length for age Z-score at enrolment, median, (IQR) -2.32 (-3.24, -1.46)
7 Clinical features at presentation Number (% of total)
Symptoms Noisy breathing Stridor Wheeze Cough Barking cough Breathlessness Feeding difficulty Occasional choking while feeding Recurrent lower respiratory tract infection 44 (83) 24 (45.3) 7 (13.2) 21 (39.6) 8 (15.1) 4 (7.55) 22 (41.5) 16 (30.2) 19 (35.8)
8
Examination General Inspiratory stridor at rest Retrognathia Pallor Down facies Others (Pectus excavatum, high arch palate, hemangioma face, club foot,) 9 (16.9) 3 (5.6) 3 (5.6) 2 (3.8) 1 (1.8) each
Respiratory Tachypnea Chest retraction Audible wheeze 11 (20.7) 7 (13.2) 2 (3.8)
Chest Auscultation Normal Generalized rhonchi Crepitations Biphasic rhonchi 36 (67.9) 9 (16.9) 3 (5.6) 5 (9.4)