Table 4. Relationship between disease severity and clinical features in RSV positive and RSV negative children under 5 years of age presenting to OPD of Kilifi District Hospital between May 2002 and April 2004.

Signs		Indrawing			No indrawing
		% RSV positive n = 23	% RSV negative n = 113	RR P value	% RSV positive n = 143	% RSV negative n = 1864	RR P value	Crude RR	RR$
Clinical∧	Crackles	78.3	73.5	1.07(0.84–1.36)0.6306	36.4	22.3	1.63(1.29–2.06)0.0001	1.67(1.38–2.03)	1.45(1.21–1.73)*
	Wheezing	13.0	11.5	1.13(0.35–3.66)0.8346	3.5	1.8	1.97(0.78–4.98)0.1444	2.07(0.99–4.31)	1.57(0.76–3.22)
	nasal flaring	30.4	27.4	1.11(0.56–2.20)0.7700	2.7	0.8	3.48(1.17–10.34)0.0177	2.85(1.50–5.39	1.51(0.86–2.65)
	fast breathing	73.9	58.0	1.27(0.95–1.70)0.1555	19.1	16.8	1.14(0.80–1.62)0.4741	1.40(1.07–1.83)	1.18(0.92–1.52)

Footnotes.

^$Adjusted for indrawing.

^*Significantly different.