From: The effect of comorbidity on health-related quality of life for injury patients in the first year following injury: comparison of three comorbidity adjustment approaches
Pre-existing disease
n
Mean1
CI2
CNLD3
7
.12
.05-.19
Heart disease
11
.07
.07-.15
Diabetes
6
.21
.01-.51
Backache
8
.26
.01-.69
Osteoarthritis
30
.38
.20-.56
Rheumatoid arthritis
10
.16
.01-.41
Other disease
51
.23
.11-.19