Table 2.

Association between various risk factors and hypoxaemia status of children aged 2-59 months admitted to icddr,b-Dhaka Hospital with WHO-defined severe pneumonia between 2014-17, presented in odds ratio and adjusted odds ratio, N = 2646

	% (with hypoxaemia)	OR (CI)	AOR (CI)
Age:
2-11 months	41	Reference	Reference
12-59 months	38	0.88 (0.74,1.05)	0.85 (0.71,1.02)
Sex:
Male	37	Reference	Reference
Female	46	1.45 (1.23,1.7)	1.44 (1.22,1.71)
History of fever:
No fever	38	Reference	Reference
0-1 days	47	1.48 (1.12,1.96)	1.3 (0.97,1.75)
2-6 days	41	1.15 (0.97,1.37)	1.04 (0.87,1.25)
7 or more days	39	1.06 (0.81,1.4)	1.1 (0.82,1.46)
History of cough or difficulty in breathing:
No respiratory distress	37	Reference	Reference
0-48 h	53	1.91 (1.53,2.38)	1.61 (1.28,2.02)
More than 48 h	43	1.27 (1,1.62)	1.1 (0.86,1.42)
Severe acute malnutrition:
No	55	Reference	Reference
Yes	29	0.34 (0.29,0.39)	0.35 (0.3,0.41)
Total	40

OR – odds ratio, CR – confidence interval, AOR – adjusted odds ratio