Table 4.

FVC%pred drop and acute exacerbations and hospitalisation

	Number of 3-month time intervals	Hospitalisations reporteda	Duration of hospitalisation (days)
3 percentage points drop in FVC%pred	1169	61 (5.2)	13.7 ± 17.3
5 percentage points drop in FVC%pred	691	46 (6.7)	13.9 ± 17.5
10 percentage points drop in FVC%pred	175	19 (10.9)	10.9 ± 12.3
All 35 acute exacerbation events	35	14 (40)	14.8 ± 13.8

Data are presented as N, N (%) or mean ± SD

FVC%pred force vital capacity percent predicted, SD standard deviation

^aThe percentage refers to the number of hospitalisations reported out of the total events observed (change in FVC%pred or acute exacerbations). For example: Hospitalisations were reported in 40% of the times an event occurred; that is, 14/35