Table 3.

Multivariate Analysis of Variables Significantly Predictive of Hospitalization or Death in the 12 Months after Measurement^*

Variable	OR	95% CI	P Value
Long-term oxygen therapy (yes)	4.80	1.68–13.69	0.003
MRC dyspnea grade	2.57	1.44–4.59	0.001
Admitted in previous year (yes)	3.04	1.47–6.29	0.003
Quadriceps cross-sectional area	0.46	0.22–0.95	0.035

Definition of abbreviations: CI = confidence interval; MRC = Medical Research Council; OR = odds ratio.

^*ORs are per unit increase for continuous variables. For categorical variables, the group for which the OR is shown is provided in parentheses.