Table 5.

Reasons for hospital admission according to age group in patients with 2009 pandemic H1N1 infection

	All patients (n = 343)	Patients <18 years old (n = 81)	Patients ≥18 years old (n = 262)
Containment strategy	114 (33.2)	6 (7.5)	108 (41.2)
Nosocomial acquisition	14 (4.1)	2 (2.5)	12 (4.6)
Respiratory impairment	129 (37.6)	36 (44.4)	93 (35.5)
Haemodynamic impairment	36 (10.5)	8 (9.9)	28 (10.7)
Cerebral impairment	8 (2.3)	5 (6.2)	3 (1.1)
Pregnancy	8 (2.3)	0 (0)	8 (3.1)
Risk patient	39 (11.4)	8 (9.9)	31 (11.8)

Data are presented as no. (%)