From: A proof of concept for continuous, non-invasive, free-living vital signs monitoring to predict readmission following an acute exacerbation of COPD: a prospective cohort study
Vital sign
Coefficient
95% CI
P value
EXACT Score
RR
0.25
− 0.13 to 0.59
0.205
HR
0.27
0.16 to 0.33
 < 0.001
ST
0.83
− 0.15 to 1.69
0.100
PA
− 0.22
− 0.33 to -0.09