1.
Design features of Symax hip stem.
2.
Kaplan-Meier cumulative revision percentages for revision of stem and THA.
Kaplan-Meier cumulative revision percentages for revision of the stem according to primary diagnosis.
Kaplan-Meier cumulative revision percentages for revision of the stem according to previous surgery to the affected hip.
PRISMA flow diagram of the included studies.
Rate of uncontrolled asthma assessed using the GINA symptom control.
Regression plot of rate of uncontrolled asthma against smoking.
Rate of well-controlled asthma assessed using the GINA symptom control.
Rate of partly controlled asthma assessed using the GINA symptom control.
The rate of well-controlled asthma assessed using the Asthma Control Test (ACT).