Asthma severity in four countries of Latin America

BMC Pulmonary Medicine

Table 3 Asthma exacerbation by severe asthma status in Argentina, Chile, Colombia, and Mexico, 2013–2015

Clinical characteristics	Severe asthma		Non-severe asthma		p-value	Total
Clinical characteristics	N	(%)	N	(%)	p-value	N	(%)
Hospital admissions
Due to asthma	16	8.7	15	3.7	0.011	31	5.2
Due to other causes	12	6.5	10	2.4	0.015	22	3.7
Hospital admissions mean; median
Due to asthma	0.17 (0.00)		0.14 (0.00)		0.012	0.15 (0.00)
Due to other causes	0.12 (0.00)		0.05 (0.00)		0.015	0.07 (0.00)
Hospital admissions including ICU
Due to asthma	4	2.2	10	2.4	1.000	14	2.4
Due to other causes	6	3.3	6	1.5	0.150	12	2.0
Hospital admissions including ICU mean; median
Due to asthma	0.03 (0.00)		0.07 (0.00)		0.839	0.06 (0.00)
Due to other causes	0.03 (0.00)		0.02 (0.00)		0.152	0.02 (0.00)
ER visits
Due to asthma	68	37.0	89	21.7	<0.001	157	26.4
Due to other causes	26	14.1	30	7.3	0.009	56	9.4
ER visits mean; median
Due to asthma	1.71 (0.00)		0.42 (0.00)		<0.001	0.82 (0.00)
Due to other causes	0.21 (0.00)		0.12 (0.00)		0.009	0.15 (0.00)
At least one asthma clinically significant asthma exacerbation	68	37.0	89	21.7	<0.001	157	26.4
Number of clinically significant asthma exacerbation
0	116	63.0	321	78.3	<0.001	437	73.6
1	22	12.0	45	11.0		67	11.3
2	11	6.0	21	5.1		32	5.4
3	7	3.8	11	2.7		18	3.0
≥ 4	28	15.2	12	2.9		40	6.7
Number of clinically significant asthma exacerbation
Mean (±SD)	1.88 (±7.85)		0.56 (±2.11)		<0.001	0.97 (±4.74)
Median (IQR)	0.00 (0)		0.00 (2)			0.00 (1)

ISSN: 1471-2466