Table 2.

Hospital admissions 1 year before and after PR among 75 PR patients and the subgroup of patients who had maintained their exercise activity

Severe exacerbations and mortality	During the year before PR, all (N=75)	During the year after PR, all (N=75)	During 1 year after PR with active exercise habits
Mean emergency visits per patient (SD)	1.1 (1.3)	0.6 (1.1)	0.5 (1.0)
Mean hospital admissions per patient (SD)	0.9 (1.2)	0.6 (1.0)*	0.43 (0.84)
Mean hospital days per patient (SD)	10.4 (20.8)	4.8 (12.2)**	3.85 (9.3)
Hospital days in total	782	362	150
Death during follow-up		7 (9%)

Notes:

^*p<0.001;

^**p<0.001.

Abbreviation: PR, pulmonary rehabilitation.