Table 2.

Incidence of exacerbations, death and combined event during the 1-year follow-up

	No of patients (%)	Annual incidence (95% CI)
Any severity of exacerbation	295 (59.4)	1.008 (0.899–1.126)
Ambulatory-treated exacerbations	210 (42.3)	0.610 (0.533–0.695)
Exacerbations requiring hospitalization	124 (24.9)	0.309 (0.259–0.366)
Exacerbations requiring emergency care	107 (21.5)	0.259 (0.214–0.310)
Mortality	21 (4.2)	0.044 (0.029–0.065)
Combined event	303 (61)	1.035 (0.925–1.155)

Abbreviations: CI, confidence interval; No, number.